藍色
100% 新

Demo
https://www.youtube.com/watch?v=nebiZg2Tjz8

Specification:
Support A2DP, AVRCP, headset, headsfree profile
Working Range: Up to 10m (about 33 feet)
Working Time: 5 hours
Charging Time: 2 hours
Battery Charging Voltage: 5V±0.5V
Battery Capacity: 520mAh
Loudspeaker Output: 45mm 3W
Input power: DC 5V
Frequency Response: 280Hz-16KHz
S/N: ≥95db
Distortion: ≤0.5%
Dimension: 60x60x50mm
Battery Voltabe Capacity: 520mAh