MAXIMUM NOISE REDUCTION
Hours PlayTime
Maxium Comfort
Superior Sound Quality
Away From Noise and DistractionRelax Your Mind and Body
Experience bass-driven Hi-Fi sound without interruptions
Take your music on a day trip withoutrunning out of battery
Model name:A40
Speaker: 40mm
Play Time: 50 hours
Impedance: 32 Ohms
Sensitivity: 110dB +- 3dB
Transmission Frequency: 2402MHz-2480MHz
Frequency Response: 20Hz-20KHz
Rating Power: 30mW
Plug Type: 3.5mm/6.35mm stereo
Cable Length: 1.5m-2.8m coiled cable