http://www.ec21.com/offers/wireless mic.html http://www.ec21.com/offer_detail/Sell_Wireless_MIC_and_Receiver--8366968.htmlrear speakers 3. Wireless speakers 4. Sound Card, MP3, CD player and DVD player 5. Headphone 6. Ordinary sound box20091202 http://www.ec21.com/offer_detail/Sell_Shure_SLX24_Beta58_Handheld--8137140.htmlShure SLX24/Beta58 Handheld Wireless System SLX Wireless Handheld System, includes SLX2/Beta58 Handheld Transmitter and20090708 http://www.ec21.com/offer_detail/Sell_Infrared_Wireless_MIC_system--7811437.htmlwireless must use a same frequency on transmitter and receiver.This great improve make more convenient in school 2:This20090312 http://www.ec21.com/offer_detail/Sell_Shure_SLX_Wireless_Headset--8276811.htmlShure SLX Wireless Headset System with WH30 Mic Features: WH30 Tailored frequency response enhances vocal range Flexibl20090816 http://www.ec21.com/offer_detail/Sell_Shure_SLX_Wireless_Headset--8276961.htmlShure SLX Wireless Headset System with WH30 Mic-----$220usd Shure SLX Wireless Headset System with WH30 Mic Features: W20090816 http://www.ec21.com/offer_detail/Sell_3G_mobile_phones_cellphones--5889812.htmlmic Dock Dock Connector to USB 2.0 Cable USB Power Adapter Polishing cloth Works with Many GSM carriers including: AT&T20091208 http://www.ec21.com/offer_detail/Sell_Brand_New_Dell_XPS--7443233.htmlWireless networking Dell Wireless networking Yes Modem 56K XPS1330 Other 8-in-1 flash memory reader supporting Memory S20090203 http://www.ec21.com/offer_detail/Sell_Wholesale_100_original_DELL--8198385.htmlWireless Networking 802.11a/b/g Ports Four USB 2.0, S-Video, VGA, SPDIF, Analog 7.1/5.1 Audio, DVI-I, Component Video, 20090726 http://www.ec21.com/offer_detail/Sell_DJ_Headphones_Pioneer_HDJ--8078498.htmlmic ,ipod earphone ,wireless earphone wireless earphones ,earphone unit ,sony earphone ,quality earphone ,retractable e20091229 http://www.ec21.com/offer_detail/Sell_Brand_New_3G_8GB--8074519.htmlwireless .UMTS/HSDPA (850, 1900, 2100 MHz) .GSM/EDGE (850, 900, 1800, 1900 MHz) .Wi-Fi (802.11b/g) .Bluetooth 2.0 + EDR20091110 http://www.ec21.com/offer_detail/Sell_Ferrari_F1_Quad_band--8487834.htmlwireless technology. High Def PC Cam - The best quality pictures available from a phone! Connects to your PC for easy p20100106 http://www.ec21.com/offer_detail/Sell_12.1_inch_umpc_epc--8367427.htmlMIC in & Headphone out USB 2.0 Port x 2 DC-in Power port x 1 9,wireless WI-FI: 802.11 a/b/g 10,LAN: USB connector to RJ20100106 http://www.ec21.com/offer_detail/Sell_UHF_wireless_microphone_AU--8360967.htmlWireless microphone Mike: Moving coil dynamic(Hand-held) Electret condenser(Body-pack Transmitter/Headset micophone) An20100106 http://www.ec21.com/offer_detail/Sell_8.9_Inch_LCD_Panel--8075535.htmlMic:Build-in Microphone Battery:5400mAh, 7.4V rechargable Li-Polimy Time 4~5 hours working time Specification: Display:20100104 http://www.ec21.com/offer_detail/Sell_X6_WIFI_Quad_Band--8478885.htmlwireless technology. Java Enabled - Get the latest cool Apps on your phone with Java technology! FM Radio - Pick up you20091101 http://www.ec21.com/offer_detail/Sell_Mobile_Phone_Parts--8115480.htmlwireless headphone, bluetooth, memery card, camera,buttons, charger, touch screen, speaker, buzzer, MIC, vibrator, slid20090903 http://www.ec21.com/offer_detail/Sell_XPS_M1330_Laptop_Computer--8471987.htmlwireless options that help you stay connected wherever you go. 8 Enjoy a wire free environment. Get Face to Face With t20100106 http://www.ec21.com/offer_detail/Sell_no_brand_laptop--8031676.htmlmIC???RJ45 INTER JACK?? PCSVGA JACK, 1?eSATA/USB MIX JACK?? WIHT 1 READ CARD (SD/MMC/XD/MS/MS Pro)?? PCS Express Card??20090527 http://www.ec21.com/offer_detail/Sell_Multimedia_Interactive_Projector--8391614.htmlwireless network, stereo power amplifier etc. all in one. The screen becomes a high-precision touch screen, the demonst20100108 http://www.ec21.com/offer_detail/Sell_bluetooth_handsfree_car_kit--8432326.htmlwireless earpiece to protect your secret 4.Phone book transferd by "simple one press",more easy to operate. 5.With SD c20100108 http://www.ec21.com/offer_detail/Sell_E83_QWERTY_Keypad_Quad--8688891.htmlHighlights Bluetooth - High speed wireless technology. FM Radio - Pick up your favorite FM radio stations wherever you 20100107 http://www.ec21.com/offer_detail/Sell_1.3_CCD_Mega_Pixel--8690567.htmlWireless 3G Module CDMA2000/WCDMA/TD-SCDMA PoE module Specifications: Image Sensor 1/3"Sony Progressive Scan CCD, 1.3 m20100107 http://www.ec21.com/offer_detail/Sell_Bluetooth_handsfree_car_kit--8691983.htmlwireless earpiece to protect your secret 4.Phone book transferd by simple one press,more easy to operate. 5.With SD car20100108 http://www.ec21.com/offer_detail/Sell_AB800_N3203_WIRELESS_NETWORK--2848570.htmlWIRELESS NETWORK CAMERA FEATURE >DSP project, high quality picture, low code-stream >Advanced H.264 Video compression, 20100107 http://www.ec21.com/offer_detail/Sell_laptop_computer--8354214.htmlWireless network card: 802.11 a/b/g (optional) Camera: 0.3M pixels (optional) Audio ports: MIC IN and AUIDO OUT. Suppor20100105 http://www.ec21.com/offer_detail/Sell_Long_Range_Wireless_camera--2805951.html*Built-In Mic, 4 Channel Selectable *Built-In Lithium Battery Working 2 Hours *Accessories: 1 Wireless Transmitters, 1 20100105 http://www.ec21.com/offer_detail/Sell_GSM_CDMA_4_8--6017516.htmlMIC volume regulate 16) provide accumulator charger (Optional) 17) 4SIM automatic rotator (8 CHL 32 SIM cards) (Special20100104 http://www.ec21.com/offer_detail/Sell_GSM_8_channals_Fixed--7680973.htmlWe specialize in: GSM/CDMA Gateway, FWT(Fixed Wireless Terminal), WLL(Wireless Local Loop), Wireless Bridge Connection 20100104 http://www.ec21.com/offer_detail/Sell_1.3Megapixel_IP_Camera--8639274.htmlMIC IN Audio Output: 1-ch 3.5mm JACK SPEAK OUT Alarm: 1-ch IN/1-ch OUT Wired Network: 10/100 Ethernet, RJ45 Wireless Ne20100107 http://www.ec21.com/offer_detail/Sell_GSM_Alarm_system_SP--8117306.htmlwireless emergency button, 4 wireless fire detectors, 16 remote controllers, 32 wireless intruder detectors, can expand20100104 http://www.ec21.com/offer_detail/Sell_amplifier--8671964.htmlmic:-58dBV 600 Speaker:10"woofer,3"tweeter RMS power:160W,Peak 250W Input jack:6.5 wire mic jacks,line input jacks,RCA 20091231 http://www.ec21.com/offer_detail/Sell_home_burglar_panel_with--8196081.htmlwireless panic buttons, 4 wireless fire detectors, 16 remote controllers, 32 wireless intruder detectors. 6.Maximum 8 w20091230 http://www.ec21.com/offer_detail/Sell_New_Wifi_IP_Camera--8411598.htmlwireless network (Wi-Fi/802.11/b/g)mobile > Support two-way audio function > High-sensitivity CMOS sensor > Resolution:20100107 http://www.ec21.com/offer_detail/Sell_12.1_inch_notebook--8654024.htmlWireless: 802.11b / g wireless LAN, WIFI input and output: mouse replacement equipment touchpad, USB 2 Ge, USB2.0 Other20091228 http://www.ec21.com/offer_detail/Sell_5_Inch_MID_UMPC--8644985.htmlMic Storage device: Micro SD (T-Flash) Blutooth function: Support BT WIFI: Wireless LAN 802.11b/g Camera Webcam: 0.3 me20091223 http://www.ec21.com/offer_detail/Sell_bluetooth_car_kit_with--8578837.htmlwireless earpiece to protect your secret 4.Phone book transferd by "simple one press",more easy to operate. 5.With SD c20091223 http://www.ec21.com/offer_detail/Sell_Nintendo_DS_Lite_White--8543146.htmlMic In Technical Features Communication Type: IEEE 802.11, Wi-Fi Main Controls: A/B/X/Y Buttons, L/R Buttons, Start/Sel20091223 http://www.ec21.com/offer_detail/Sell_OMIZ6220_moblie_phone--8638989.htmland UIQ OS, Microsoft Windows 2000 / XP OS - Wireless Bluetooth transmission - Equivalent to design, easy to carry20091221 http://www.ec21.com/offer_detail/Sell_Intel_Atom_car_pc--8639625.htmlWireless Keyboard IONE Extension interface: USB * 4, COM * 1, LTP * 1, VGA * 1, Audio * 6, MIC * 1, SPK * 1, PS / 2 Key20091221 http://www.ec21.com/offer_detail/Sell_26_inch_all_in--8293031.htmlmic Power AC 110V~240V,50/60HZ Operation temperature 0C-40C Operation Humidity 20%-80%RH Storage Temperature .-20C-60C 20091218 http://www.ec21.com/offer_detail/Sell_Laptop_12.1inches_super_thin--7993515.htmlWireless network card: 802.11 a/b/g Camera: 1.3M pixels Audio ports:MIC IN and AUIDO OUT. Supports AC97 Keyboard: US ke20091214 http://www.ec21.com/offer_detail/Sell_iPhone_and_iPod_car--8596537.htmlMic Dock Connector to USB Cable USB Power Adapter Documentation SIM eject tool ================= iPhone 3G S Size and w20091210 http://www.ec21.com/offer_detail/Sell_Wireless_Video_Door_Phone--2278354.htmlWireless Video Door Phone 2.4" QVGA Color Display Launch, receive used by Digital encryption technology and frequency h20091210 http://www.ec21.com/offer_detail/Sell_PA_ACTIVE_SPEAKER--7800189.htmlWith wireless MIC/PAINTING ON THE BOX Woofer:1*10 "" POWER: 120-200 W Tweeter :aluminum bronze titanic membrane Frequen20091208 http://www.ec21.com/offer_detail/Sell_Sell_B9630Quad_Band_TV--8494835.htmlHighlights Dual SIM - Dual standby (Dual working) Bluetooth - High speed wireless technology. FM Radio - Pick up your f20091204 http://www.ec21.com/offer_detail/Sell_Wireless_Microphone_8440T16--8488144.htmlFEATURES UHF 800MHz band PLL frequency synthesized 96 applied channels with 300KHz channel space Twice mixer superheter20091202 http://www.ec21.com/offer_detail/Sell_repair_phone_parts_Sam--8009671.htmlwireless headphone,bluetooth, memery card, camera,buttons,charger,touch screen, speaker, buzzer, MIC, vibrator, slider,20091127 http://www.ec21.com/offer_detail/Sell_Brand_New_Apple_3gs--8521854.htmlwireless - UMTS/HSDPA (850, 1900, 2100 MHz) - GSM/EDGE (850, 900, 1800, 1900 MHz) - Wi-Fi (802.11b/g) - Bluetooth 2.1 +20091126 http://www.ec21.com/offer_detail/Sell_wireless_alarm_system--8552117.htmlwireless alarm system adopts SMS data transmission and voice platform of GSM network to send control command and receiv20091124 http://www.ec21.com/offer_detail/Sell_12inch_mini_laptop--8542361.htmlWireless network card 802.11 a/b/g (optional) Camera 0.3M pixels (optional) Audio ports MIC IN and AUIDO OUT. Supports 20091121