Feature:Specification:Features:[BT 5.3] Adopting advanced BT 5.3 chip, the earbuds provide one-step pairing, faster transmission speed, more stable connection and lower power consumption.[Easy Pairing] After first pairing, it will turn on automatically and match quickly when you take it out again, simple and fast.[Smart Touch-Control] Various complicated operations can be done easily, such as voice assistant wakening, volume and music control, etc.[Premium Audio Performance] offers 8D surround sound quality and powerful bass with graphene bass disphragm as well as high-frequency technology.[Large Capacity Battery] 200 mAh charging box provides up to 5-6 hours playtime and 4-5 hours call time after a single full charge.[LED-Digital Display & Comfortable Wear.] LED-digital screen with indicator lights show clearly the battery charging status and battery power consumption.With ergonomic design,the earphones fit well the ear canal and reduce ears pressure,ensuring in-ear wear comfort.[More Practical Features] Life waterproof and sweat proof allow you to deal with daily water activities easily and enjoy sports freely.The earbuds are single or double free to use.[Universal Compatibility[ Widely compatible with iOS and Android systems.Specifications:Model: K10Material: ABSColor: BlackBT Version: 5.3Earphone Battery: 45mAhCharging Box Battery: 200mAhTransmission Distance: 10mCall Time: 4-5 hoursPlay Time: 5-6 hoursStandby Time: 15 daysCharging Time: 1.5hoursBT Protocol: 5.3Waterproof: IPX4Item Weight: 38g / 1.34ozPackage Size: 12 * 8 * 3cm / 4.72 * 3.15 * 1.18Package Weight: 64g / 2.25ozPackage List:1 * BT Earphones1 * Charging Box1 * Charging Cable1 * User ManualPackage List:1 * BT Earphones1 * Charging Box1 * Charging Cable1 * User Manual