Specifications:With bluetooth-compatible 5.1 chip, the wireless earphone has fast and stable connection.It is wearable that is not easy to fall off and is suitable for sport.With IPX5 waterproof level, the earphone is suitable for sport and rainy days.High speed transmission efficiency realizes low latency for gaming.Designed with CVC and DSP double noise reduction technology.Button control is easy to use.Item Name: Wireless EarphoneMaterial: Plastic, Silicone, TPEBluetooth Version: 5.1Transmission Space: 10mBest Phone Call Space: 8mSpeaker: 10mmImpedance: 1610%Sensitivity: 91dB3dBFrequency Response: 20Hz-20kHzMusic Time: about 12 HoursTalk Time: about 12 HoursCharging Time: about 2 HoursBattery Capacity: 130mAh (Included)Features: Wireless, Magnetic, RechargeableSize: 14cm x 12cm x 2cm/5.51" x 4.72" 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:1 x Wireless Earphone1 x USB Charging Cable