Description:Bluetooth-compatible 4.1 version makes transmission and pairing more stable and faster.Powerful 160mAh battery capacity provides long-lasting battery life. You will get best music time since it can be used for 8 hours.It is made of good quality ABS material, durable to use. It has features of power display, call function, voice control, multi-point connection, etc.Its cable length is 80cm.It is suitable for music, sports, games, etc.Item Name: EarphoneMaterial: ABSColor: Black, Red, BlueOperating Frequency Range: 2400.0-24383.5MHzSpeaker Frequency Response: 100Hz-20KHzSpeaker Impedance: 16 OhmsSensitivity: Distortion: 0.5%dB Acoustic Structure: ClosedSound Quality: Lossless Sound QualityBluetooth-compatible Connection Range: Bluetooth-compatible 4.1 Version, Effective Distance within 10 MetersSupport Protocol: HFP, HSP, A2DP, etcMusic Playback/Talk Time: 8 HoursStandby Time: 400 HoursCharging Time: about 1.5 HoursBattery Capacity: 160mAh Battery (Included)Features: Sensitive, Stable Transmission, WaterproofSize Details: Cable Length: 80cm/31.5" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Earphone1 x Charging Cable