With built-in high capacity rechargeable battery, the headphone can last up to 10 hours of music playing time or talking time and 180 hours of standby time per charge cycle. Supports wireless connection, transmitting strong signal in high quality & high speed and offering high-fidelity stereo music. Suitable for: MP3, portable CD players, portable VCD/DVD etc. Equipped with a 3.5mm jack audio cable, so it can be used as a wired earphone. You can play music, watch videos or chat with friends freely without wires tangled.

【 Smart Function 】Our Bluetooth Headset with mic supports SIRI voice prompt and mute switch, one key to Power on and enter pairing mode,1 to 2 connection. 8-9 hours working time, 1.5 hours quick charge. With 33ft (10meters) Bluetooth working range. 【CrystalC Clear Audio】Noise Reduction boom microphone and Dynamic Speaker broadcasts your speech clearly when you move around and perform your tasks while having a phone conversation or speaking to a crowd. 【Universal Compatible】 -Bluetooth V4.1 headset supports Calling and Music Playing function, easy and fast pairing with smart phones and tablets(Bluetooth v4.2 or lower), compatible with iPhone(X), Android, and Other Leading Smartphones