? Bluetooth 4.0- Advanced CSR Bluetooth 4.0 technology. Stream your music wirelessly up to 33ft.
? Premium sound- Best HiFi sound quality. 40 mm drivers for excellent bass audio, precise treble and clear mid tones.
? Build best Li-Battery, 12 Hours working Lithium-ion rechargeable battery. 400-500 hours standby time
? Separate key Controls- Control your music V- /next music/V+/previous music/pause/play quickly and easily with controls located on the headphone. Incoming call answer or reject, Dail.
? Easy Pairing- Pairs easily, auto pair after first paired
? 3.5mm audio jack input - This headphone also can be used as the wired headphone. Just simply attach 3.5mm audio cable(please note: In the state of power off: It can be used as the wired stereo headphone. In this case the volume control of the headphone can' t be workable. can work as wired headphone)

Included Accessories:
USB charging cable
Pouch gift
3.5mm Audio Cable
User's guide
Chargering cable

Spec:
¡¤ Bluetooth protocol standards: Bluetooth V4.0+A2DP
¡¤ CSRsolution,HSP,HFP,A2DP,AVRCP
¡¤ Button function: V- /next music/V+/previous music/pause/play
¡¤ Receiver distance: 33 Feet/360¡ã
¡¤ Battery: Chargeable 3.7V/250mAh lithium-ion battery
¡¤ Charging time: Less than 3 hours
¡¤ Successive working time:About 8 hours
¡¤ Standby time:300 hours
¡¤ Speaker diameter: 40mm
¡¤ Microphone Unit: 4*1.5mm
¡¤ Impedance: 32¦¸
¡¤ S.P.L:106dB S.P.L.at 1KHz
¡¤ Frequency Response: 20Hz-20,000Hz
¡¤ Have Separate control key