Specifications:The wireless earphone has bluetooth-compatible 5.0 chip, which has fast and stable connection.It has 10m wide space of transmission.With ergonomic in-ear design, it is comfortable to wear.It has mini compact size, which is easy to store and carry.Excellent noise reduction microphone provides clear phone call.It is suitable for driving, sport, business and leisure.Item Name: Wireless EarphoneMaterial: ABSQuantity: 1PcBluetooth Version: 5.0+EDRTransmission Space: 10mBattery Capacity: 60mAh (Included)Supported Protocols: HEP/HSP/A2D/AVRCPCharging Time: 1-2 HoursMusic Time: 4-6 HoursStandby Time: 100-150 HoursFrequency Range: 2.40-2.48GHzDistortion Rate: 1%Frequency Response: 20Hz-20KHzSensitivity: 80dBFeatures: Wireless, Rechargeable, Mini, In-earSingle Earphone Size: 2.2cm x 1.8cm x 1.2cm/0.87" x 0.71" x 0.47" (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.The wireless earphone is not true wireless stereo earphone, which can not connected with 2 phones simultaneously.Package Includes:1 x Wireless Earphone1 x USB Charger