Product description
Bluetooth version: V2.1 EDR
Type: stereo headphone with internal mic
Operating distance: 10m
Range of frequency: 2.4 to 2.4835GHz ISM band
Sensitivity: 85dB
PC interface: USB 2.0
Music format: MP3 player at WMA
Standby time: up to 200 hours
Music playing time: 7 hours
Normal charging time: within 3 hours
Battery: 3.7V/300mA rechargeable Li-Poly
Power:
Input: 100 to 240V AC
Output: 5V DC, 300mA