Specifications:
Bluetooth Version: CSR BT 4.0
Available Distance：≥5M
music keeping on time: 5H
Battery Capacity: 300mAH 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
