Specifications:
Bluetooth Version: CSR BT 4.1
Available Distance：up to 10M
music keeping on time: 10H
Battery Capacity: 120mAH 3.7V lithium battery
Charging Time:3H
Standby Time：≈90H
Speaker Specification：Φ9mm
Impedance：16Ohms
Frequency：20-20K
Sensitivity：105±3dB
MIC Sensitivity：-42±3dB
Directivity：Omnidirectional
