Headset stereo headphones

$0.99

feature: Long talk time, all universal phones, music player with A2DP Function keys: volume +-, music playback, pause, previous song, next song Support all Bluetooth devices, then hang up, reject the call, call back to the last number specification: Voltage: 3.7 volts Talk time: 14 hours Main chip: 3.0 + EDR Speakers: 30 speakers Standby time: 250 hours Bluetooth version: V3.0 + EDR Compatible: V2.1, V2.0, V1.1 Charge and discharge protection: IC Rechargeable battery: lithium polymer Frequency range: 2.4G Frequency response range: 20-20 KHZ Transmitting power: Class2 Transmission frequency: 2.4 GHz Transmission distance: 10 meters Average sensitivity: 105DB (at 1 KHZ + 3 DB