Specifications:Mini and compact, easy to carry around.Support high clarity calls, stereo sound, no delay.Bluetooth 4.2 technology, fast and stable transmission.Comes with a charging box, it can charge your the earphone once after full charged.Item Name: Wireless EarphoneMaterial: ABSBluetooth Version: V4.2Battery Capacity: 55mAh for Single Earphone, 260mAh for Charging BoxTransmission Distance: 5-10mTalk Time: about 3 HoursMusic Time: about 3 HoursStandby Time: about 80 HoursFeatures: Wireless, bluetooth-compatible Connection, Stereo, high clarity CallSize: 9.2cm x 9.2cm x 3.1cm/3.62" x 3.62" x 1.22" (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 x Wireless Earphone1 x Charging Box1 x Charging Cable1 Pair of Eartips1 x User Manual