Bluetooth Stereo Wireless Headphone
black color
B-01 model
2.1v Bluetooth
Bluetooth range: up to 10m
Frequency response: 20Hz - 20kHz
talking time: about 10 hours
Standby time: about 300 hours
music time: about 300 hours
2.4-2.8Ghz frequency range
3.3-3.7v working voltage
215g weight
32ohm impedance
4mm mic size