Specifications:It uses bluetooth-compatible V5.0 chip, which can manage battery life well and provide you with very efficient wireless performance.Connection distance is 10m, the performance is stable, the transmission is high, the power consumption is low, and the compatibility is strong.Ergonomic design makes it more comfortable, and it is suitable for Xiaomi, for iPhone, and for Samsung.The two-ear split design allows one ear to be used alone, which is equivalent to two independent bluetooth-compatible headsets.Earphone is IPX6 waterproof and sweat-proof, and has an intelligent voice assistant, and its compatibility is strong, it is universally used for IOS and for Android, it can also be controlled by one button, and it is simple and stylish.Item Name: bluetooth-compatible EarphonesMaterial: ABS, PC, Electroplating, Food SiliconeChip: LanxunBluetooth Version: V5.0Effective Straight-line Distance: More Than 10mSpeaker: Copper Ring 8mmHeadphone Battery Capacity: 50mAh (Included)Charging Compartment Battery Capacity: 400mAh (Included)Playing Time: 3.5-4.5 HoursStandby Time: 120 HoursFull Charge Time: About 1 HourFeatures: Wireless, Waterproof, Long Standby, Comfortable to WearSize: 6cm x 3.3cm x 2.6cm/2.36" x 1.30" x 1.02" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Pair of bluetooth-compatible Earphones1 x Charging Box1 x Charging Cable1 x User Manual