Specifications:The new upgrade chip for bluetooth-compatible 5.0 provides a more stable transmission and simpler connection.This excellent wireless stereo earphones is designed to provide you an stable and fantastic experience of phone call and phone game.The 2000mAh large capacity charging box can charge the earphone about 40 times and ensure you the long working service hour of earphones.It is compatible with electronic devices available on the market, and it also comes with binaural calls, strong battery life, and stable signal.The waterproof level of earphones is IPX7, which is not afraid of sweat and water splash.There is a charging box with LED digital display, allowing you to carry earphones anywhere.Item Name: Wireless EarphonesCase Material: ABSBluetooth Version:5.0Earphones Battery Capacity: 50mAhCharging Box Battery Capacity: 2000mAhTransmission Distance: 10mTalk Time: 4HoursWorking Time: 4 HoursCharging Time: 1 HourSupport System: for Device/Phone with BluetoothFeatures: bluetooth-compatible 5.0,HiFi, 3 Digital DisplayCharging Box Size: 11.6cm x 8cm x 5.4cm/4.56" x 3.14" x 2.12" (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 Wireless Earphones2 Pairs of Earplugs1 x Charging Box1 x Data Cable1 x User Manual