1. Headphone with Leather earpad, more comfortable 2. Music heaphone with High-Fidelity, 3. Headset with Foldable design ... V2.1+EDR* Support:HSP,HFP,A2DP,AVRCP* Frequency range:2.4026GHz-2.480GHz* Transmitting power:Class2* Working Distance Range:10m* Charge ... :≥16 Hours* Standby Time:≥180 Hours* Weight:199g 2013 New Bluetooth stereo headphone, music headphone, High-Fidelity,leather earpad