Specifications:Bluetooth 5.0 technology, long transmission distance up to 24 meters.Comes with a charging box, you can charge the earphones at any time.With high quality speaker, deep stereo and bass sound quality.Intelligent compatibility, supports devices with bluetooth-compatible function, such as mobile phones and tablets.Item Name: Wireless EarphonesMaterial: ABSSpeaker: 13mmBluetooth Version: bluetooth-compatible 5.0Talk Time: about 4 HoursMusic Time: about 4 HoursCharging Time: about 1 HourStandby Time: about 40 HoursEarphone Battery Capacity: 40mAh (Included)Charging Box Battery Capacity: 300mAh (Included)Bluetooth Distance: 24mSupported Protocol: AVRCP/A2DP/HFPFeatures: Mini, Wireless, bluetooth-compatible ConnectionCharging Box Size: 8cm x 5cm x 2cm/3.15" x 1.97" x 0.79" (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:2 x Wireless Earphones1 x Charging Box1 x USB Cable1 x User Manual