<p>Product Description:</p><p>Dual Driver ! 4 Speakers! Make music more pleasant.</p><p>Sweat and splash proof can let you enjoy outdoors activities</p><p>CVC intelligent noise reduction to provide high quality music</p><p>Music play time is about 4-6 hours. Talking time is about 4-5 hours, enhance greatly the time of use</p><p>Can display bluetooth power on your IOS device</p><p>Support multi-point connection</p><p>Bluetooth version: V4.2+EDR</p><p>Bluetooth protocol: HFP/HSP/A2DP/AVRCP/CVC</p><p>Cable length: 70cm</p><p>Battery capacity: 75mah</p><p>Workable distance: 10m (barrier-free space)</p><p>Charging hours: 1.5hours</p><p>Charging voltage: DC 5V</p><p>Sensitivity: 93dB + / - 3dB</p><p>Frequency response: 20-20000Hz</p><p>Use: For iOS Android Mobile phones, Portable Media Player, SportInstructions for use:</p><p>long press the boot red and blue light flash is the pairing mode</p><p>Chinese and English voice switching: When the red and blue lights alternately flash, press the power button twice.Package Contents:</p><p>1 x Dual Driver Bluetooth Earphone</p><p>1 x USB Charging Cable</p><p>4 x Earbud Tip</p>