1. Wired and wireless, hands-free call, USB charging, Bluetooth signal, wireless card play.
2. Use LED display function to facilitate mode rotation and song switching.
3. Humanized removable battery design, standby battery can be replaced at any time, no power troubles.
4. Environment-friendly rubber head beam, light and flexible.
5. Folding structure design, easy to carry and storage.
Li-ion
400mAh
B570
Headset (with mic)
Up to 8 hours
V2.1 + EDR
32ohm
1W
about 8 hours
48 hours
20Hz-20kHz
Up to 10m
<=1%
>=80dB
TF card up to 32GB (not included)
3.7V
DC5V
35mA