Main features:
Full duplex communication
Automatically answer the phone, do not need a button
To enhance the sound quality, the volume is large.
Reduce wind noise
Pairing is simple, easy to use.
Bluetooth version: 3.0
Working voltage: 3.3V-4.2V
Call time: 8H
Standby time: 150H
Charging time: 2.5H
Radio frequency band: no
RDS: no
Speaker power: 0.25W
Chip: BC5 CSR
Battery capacity: 550mah
Battery type: polymer
Charge and discharge times: 500
TTS: no
Automatic volume control: no
Operating temperature range: -10℃ to +45℃ (minimum and maximum operating temperature)
Charger specifications: 5V /500mA DC