Features:1. Bluetoothcompatible 5.1 Chip: Effectively solve the headset and Android connection instability faster and more stable connection and more compatible.2. HIFI Sound: With moving coil unit rich layers more surging and powerful bass bringing you pure and lossless sound quality so you can enjoy.3. Longlasting Battery Life: The charging compartment combines charging and storage and intelligent display of power the headphones can continue to listen to songs all day when fully charged.4. Intelligent Noise Reduction: Even when you are in a noisy environment this headset allows you to talk clearly as if you were communicating facetoface without being affected by noise.5. Afterservice: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer.Specification:Bluetoothcompatible Version: 5.1Playback Time: 12hCharging Time: 1hBattery Capacity: 240mAhWaterproof Rating: IPX5 includes: 1 * Earphone2 pair of * Ear Caps1 * Charging Line1 * Manual