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)
