I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Thank you for shopping and have a nice day.Specifications:The wireless earphone has bluetooth-compatible 5.1 technology, which has high performance.With 50mAh capacity battery, it can work for 4 hours and has a standby time of 200mAh.Automatic pairing and smart touch are supported, which is convenient to use.It adopts CVC8.0 noise reduction technology and you can have a clear phone call.Item Name: Wireless EarphoneMaterial: ABSBluetooth Version: 5.1Transmission Space: 10mFrequency Response Range: 20-20000HzSensitivity: 120dB +/- 5dBCharging Time: about 1 HourCumulative Standby Time: about 200 HoursWork Time: 4 HoursEarphone Battery Capacity: 50mAh (Included)Charging Box Battery Capacity: 2000mAh (Included)Charging Box Charging Times for Earphone: about 24 TimesFeatures: Stereo, Rechargeable, Smart TouchCharging Box Size: 8cm x 4.6cm x 3cm/3.15" x 1.81" x 1.18" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Pair of Wireless Earphone1 x Charging Cable1 x Charging Box a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a