IPLOO overhead headphone Mic dimensions:+¼6x5mm Sensitivity:-40dbf+3db Lmpedance :f-2.2k±+ Driver diameter:+¼40.0mm Lmpedance :32±+ Frequency response:20~20khz Sensitivity(s.P.L):110.0dbf+3db(at 1khz) Input plug diameter:+¼3.5mm Cord length:2.5meters
Wireless headset Transmit frequency:2.4-2.486ghz Modulate mode:gfsk Frequency range:2403mhz-2480mhz with frequency jump automatically. Sampling rate:32k/7.8k, sampling precision:16bit Effectyive distance:up to 20 meter Sound input impedance:1k Working voltage:5v Consume current:55ma Stero resloution:70db(typ) Frequency response range:20hz-20khz Sensitivy:-94dbm Harmonic distortion: 0.3(1w) S/n:85db(typ) Dynamic range:98db(typ) Operation temperation:-10-85¦
Bluetooth headsets Bluetooth specification:v2.0csr Frequency2.4ghz isbn band(2400-2483.5mhz) Support filehands-free&headset profile Rf output power64dbm Rf sensitivity> -75dbm Distance:within 10 metres Indicator:led (blue &red) Talk time:360minutes Standby time:160 hours Batterybuilt-in rechargeable lithiium battery Transmission powerclass 2 Audio codesingle audio Temperatureí1045¦ Audio frequency output power(rl=32ohm) 2.5mw Audio frequency range20hz22khz Charging time:2 +0.5hours Weight:17g Qty/ctn50pcs/ctn Measurement75x22x28cm(lxwxh)
Fm radio 1.can receive TV , the computer ,any such as DVD,VCD have the electron product that VF exports . 2.the head brings ,the dyadic FM reception earphones along . 3.TV sound : can appreciate the wonderful program under TV silence situation freely .
Headphone 20pcses/cartoon
Regalstar
Headphone Effective freq.Band:20hz-20khz Rated input power:10mw Directivity:omnidirectional Effective freq. Band:20hz-20khz Max.Operation voltage:10v Standard operation voltage:4.5v Blister card&binding card
Earphone Effective freq.Band:20hz-20khz Rated input power:3mw Max.Input power:5mw Poly bag
Branded bluetooth headset We supply Branded bluetooth headset think with attractive price can Newest products pc tv all-in-one with full functions of pc+tv+lcd+dvd+record+speaker+usb Unique design of ipod speaker Dvd+dvb-t combo as well as portable dvd , dvd player Secruity products Standard exporting in package
Earphone Spec: Driver unit: 27mm mylar speaker Frequency response: 20-20k hz Impedance: 32ohm Sensitivity: 103db s.P.L. At 1 khz Max.Input power: 100mw Microphone: condenser type Polar pattern: omni-directional Sensitivity: odb=1v/pa at 1 khz-68db Cord length: 2.3m More new, hot items are available.
Earphone Spec: Earphone for mp3 Speaker: 15 mm Sensitivity:102db s.P.Lat 1khz Impedance:32 ohm Frequency response:20hz-20, 000hz Rated power:1000mw Plug type: 3.5mm stereo More new, hot items are available.
Clear tube earphone Surgical grade acoustic tube; discreet and comfortable; available in clear and black Quick-fasten secure structure Environmental pu cable reinforced with kevlar Used with optional ear mold allows ambient sounds and provides better wearing. Discreet communication in complex environment. Suitable for patrolling police, security personnel in hotel, conference hall, casino and restaurant, etc. Available for motorola, ef johnson, frs, kenwood, icom, yaesu/vertex, maxon, etc. Technical specification
Speaker:(dia.)¬+16mm Sensitive:118db Impedance:32¬+ Plug:¬+3.5mm Length of line:0.8m
Headphones
Microphone
Head phone Seaker Dimension:30mm Impedance:32R Sensiticity:105dB S.P.Lat:1kHz Frequency response:20Hz-2000Hz Pat power:100mw Power capability:10000mw Plug Type:3.5mm stereo Weight:0.36kg/pc Dimensions:69.5*46.5*56.7
For motorola visar
Microphone boom stand Carbon steel microphone boom stand with nylon 6.0 details.
Blue tooth headset Certification,Fcc ce bqb Blue tooth specifications,Version 1.1 Blue tooth profile supported,Headset and hands free profiles Frequency range,2.4ghz spectrum Working distance range,10m Dimensions (main unit),68.5(l) x23.0 (w) x12.2 (h) mm Weight,12g Charging time,Within 2.5 hours Talking time,Up to 5 hours Standby time,Up to 200 hours Rechargeable battery,Lithium polymer, 3.6v, 150mah installed Battery protections,Over charge and over discharge protections Input current,60ma(internal controlled) Input voltage,Dc5v Speaker power,10mw(max.) Speaker impedance,32ohm Sensitivity of microphone,-64db
4 in 1 high frequence wireless headphone 1. The transmitter transmit stereo signal in 86 mhz to wireless headphone in the scope of 20 meters with interference free. 2. While the single headphone operating, it becomes fm radio receiver between 83.5-108mhz. 3. Connect headphone to computer with attached cable as for net icq purpose. 4. Inspecting the voice around transmitter in scope of 5 meter to receiver as an inspector.
