1.HIFI Perfect Sound Effects
2.Soft earpads,noise reduction cushioned pads
3.Ear-cups can be rotating 180 degrees
4.MODE SWITCH,Switch between Headset and speaker.
6. With 22-25 hours battery life
7. In wireless mode, ear cup controls offer convenient management of music and calss.
8. In Wired mode,the 3.5mm AUX is compatible with most smartphones
Battery:750Mah,rechargeable polymer lithium-ion
Impedance: 32 Ohm
Headset/Speaker Working time: 22-25hrs
Standby Time:280hrs,Charging Time:3hrs