beijing zhantugaoke Cultural Communication Co., Ltd.

Technical parameter:
Bluetooth version: V4.1+edr
Bluetooth chip: CSR8645 and CSR8640
Scope of use: Straight line barrier 20 meters, 12 meters back
Battery Capacity: 110mah
Play Music: More than 9-12 hours
Call Length: 9-12 hours or more
Waiting time: 180H
Charge Length: 1.5H
Azimuth: omni-directional
Frequency range: 2.402g-2.480g
Support Agreement: APTX/HFP/HSP/A2DP
Output Impedance: 50 ohms
Charge Voltage: 3.7V
Working current: 15-16ma
Ambient temperature: -20℃/+60℃ support System: IOS, Android Waterproof Grade: IPX5