... Music heaphone with High-Fidelity, 3. Headset with Foldable design Features: * fashion design, music with enjoy!* MF-618 wireless Bluetooth technology with wired conveniencein one ... 5 cm in length, wear almostfeel it.* MF-618 with a pendant ear two ways to use design, the phone ... to complete; volume size can be adjusted. Parameter: * Correspond With V2.1+EDR* Support:HSP,HFP,A2DP,AVRCP* Frequency range ...