Bluetooth Specification : 2.1+EDR 
Bluetooth Profile : A2DP AVRCP 
RF Range : 10 m 
Frequency Response : 100Hz-20KHz 
Loudspeaker Output : 3W 
Signal-To-Noise : ≥75dB 
Distortion : ≤1.0% 
Playback Time : 5 hours 
Charging Time :  1 to 2 hours 
Dimension (LWH) : 70mm*70mm*45mm 
Weight : 95g