1.Description:X9 Single Ear Wireless Earbud BT Headset in Ear Mini Invisible Headphone Business Earphone with Mic 5-Hour Playtime One-button Control Sport Earpiece2.Features:This wireless earbud is mini and invisible, but come out clear and crisp sound for music, and handsfree calls.Lightweight in-ear earphone(4g) makes lower burden for long wearing.Easy one-button controlwith high sensitivity and quick response.Comes with a long battery life without embarrassment of frequent charging.BT 5.0 technologyfeatures fast and stable transmission, low latency and power consumption.3.Specifications:Product Model: X9BT version: BT5.0Communicationdistance: 10m(Without obstacles)Compatible System: IOS/ANDROIDBattery Capacity(mAh): 50mAh4.Note:The actual use may be slightly different depending on the specific situation.Please do not immerse the earphones directly into the water to avoid damage.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.5.Package List:1 * Headphone1 * Charging Cable