● Bluetooth version: Bluetooth 5.0
● Frequency: 2.4 ~ 2.48G Hz
● Transmission distance: Up to 10m
● Communication protocol: HFP, HSP, A2PDP, AVRCP
● Frequency response: 2.4GHz
● Microphone sensitivity: -45dB
● Power: Built-in rechargeable Li-ion battery
● Charging voltage: 5V
● Charging time: 2 hours
● Battery Capacity of the Headset: 150mAh
● Good Quality