CSR Bluetooth V2.1+EDR, Class 2 Chip
Profiles Include A2DP, AVRCP
Up to 10m Wireless Signal Range
Extreme Comfort and Fit Leatherette Ear Cups
Each Ear Cup Contains 50mm Neodymium Drivers
Acoustic Design: Dynamic, Closed-back
Stand-by Time: One Week
Battery: Built In Rechargeable Battery
Battery Type: Polymer Lithium Ion(lithium polymer) No Memory Effect
Battery Capacity: 450mAH (300 charge-discharge cycles before the capacity drops to 80%)
Play Music Time (Holding Time): Up to 10 Hours
Buttons: On/Off Multi-function
Volume Up/Previous track
Volume Down/Next track