Specifications:
• Version : V4.2
• Battery Cell Type: A+grade lithium polymer battery
• Battery Capacity: 400mAh
• Transmission Range : 10m
• Frequency Response : 100khz-16khz
• S/N Ratio: >90dB
• Rated Power : 2.0W (Speaker Power: 3W)
• Speaker Unit : 40 mm
• Playing time : 3 hrs
• Standby Time: 12hrs
• Charging Time: 1.5 hrs