-Wireless Version: 5.3
-Operation distance: 15m
-Frequency range: 2.402-2.480Ghz
-Speaker: 40mm
-Imdedance: 32Ohm
-Frequency Response: 20Hz-20KHz
-Rchargeable lithium battery: 500mAh
-ANCE Amplitude: 25+-3dB
-ANCE Frequency range: 20-800Hz
-ANCE on music playing time: 15H
-ANCE ON TALKING TIME: 15H
-ANCE off music playing time: 30H
-ANCE off TALKING TIME: 30H
-Charging time: 2.5h
-Color: black, blue