Bluetooth Version: v2.1
Chipset: CSR BC6 V2.1
Support: Headset,Head free,Noise-Canceling,Voice-Dial/Mute Ear Coupling: Over the ear
Talk Time: 20 Hours
Standby Time: 350 Hours
Operating Range: 10 meter
Compatibility Bluetooth: v2.0 & 2.1
Power Supply: Built-in battery
Built-in Battery Capacity: 250mAh
Compatible With: All Bluetooth wireless technology enabled phones.
Other Features: Clear and high quality voice for both talking party. Voice-dialing, re-dialing, refusal of incoming call function. Volume adjustable.
Note: the headphone doesn't support A2DP, It can't be used to listen to music.
Packing List :
1 x Wireless Headphone
1 x USB Charging Cable
1x Protective Bag
1 x User Manual
1x Thanksgiving Card