Features: Wireless stereo, high quality sound, with charging box, voice prompt. In-ear type is comfortable and not easy to fall off, simple operation. Headphone charging red light (charging box blue light), full of charge light off. When charging the charging box, the blue light flashes slowly and light off when full of charge. The earphone starts up and the red and white lights turn on and flash automatically. Smart storage box with charging function, convenient to carry and charge. Suitable for sports, fitness, leisure, driving, office, etc. Specification:Conditoin: 100% brand newMaterial: ABSColor options: white, blackCompatible with bluetooth V5.0+EDRSupporting protocol: A2DP, AVRCP, Handsfree, HeadsetTransmission range: 10mTransmission frequency: 2.4GHzTransmission power: class 2Applicable models: all kinds of mainstream mobile phoneCall time: 300 minutesStandby time: 110 hoursHeadphone battery: 50mAh Horn type: 8mm 16Ω copper ring Quantity: Only 1 Headset Package list:1 x Headset1 x Charging Cable1 x Manual