Specifications:Lovely and stylish appearance, comfortable to wear.Touch to control volume and music playback.TWS technology to make the stereo sound hands-free calls.Bluetooth 5.0 earphone, faster and more stable.Will automatically pair, power on after taking out from the charging box.Suitable for driving, working, running, fitness, travel, etc.Intelligent compatibility: support all bluetooth-compatible mobile phone, tablet, notebook, etc.Type: bluetooth-compatible EarphoneMaterial: ABSBluetooth Version: V5.0Bluetooth Distance: 10-15mSpeaker Diameter: 6mmEarphone Battery: Polymer Lithium Battery 45mAhBattery Box Battery: Polymer Lithium Battery 420mAhMusic Time: 4 Hours(Single Ear), 3-4 Hours(Dual Ears)Standby Time: 100 Hours(Single Ear), 60 Hours(Dual Ears)Earphone Charging Time: About 50 MinutesCharging Box Charging Time: About 1 HourEarphone Size: 2.6cm x 3cm/1.02" x 1.18" (Approx.)Charging Box Size: 3.3cm x 6.75cm x 4.6cm/1.30" x 2.66" x 1.81" (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