**Model No.:BS-003
**Bluetooth version:v3.0
**Working Range:up to 10m
**Working time:5 hours
**Dimension:60x60x50mm
**Net weight:230g
**Speaker:(φ)45mm
**Loudspeaker output:3w
**Frequency Response:280HZ-16HZ
**Signal-to-Noise:≥95db
**Distortion:≤0.5%
**Battery Voltage/Capacity:520mAh
**Battery Charging Voltage:5v±0.5v
**Battry Charge Time:2 hours
**Color:white/yellow/black