Description:It is unnecessary to charge the earphone frequently because of its long standby time.The intelligent chip and noise-reduction microphone allows for non-delayed, stable and quick transmission, which can bring you high-fidelity and lossless sound effect.Made of ABS material, the wireless earphone is eco-friendly and durable to use. With the adoption of ergonomic design, the earphone will not cause pain to your ears after long-time wearing.The length of the earphone charging box is about 50mm and width is 50mm and thickness is 27mm.The wireless earphone is suitable for playing games, hands-free calling, listening to music and so on. The touch control makes it convenient to use.Item Name: Bluetooth-compatible EarphoneMaterial: ABSModel: M9Color: Black, White, Pink, Blue, GreenBluetooth-compatible Version: 5.1Wireless Frequency: 2.4GHzSupport Protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Transmission Distance: 15mBattery Capacity: Earphone: 45mAh(Included)Charging Box: 200mAh(Included)Charging Voltage/Current: 5V/1APlay/Talk Time: about 6HCharging Time: about 1HStandby Time: 60HSpeaker Impedance: 8MM 32Microphone Sensitivity: -42dBWorking Temperature: -10-50 Degrees CelsiusSound Track: Dual Stereo Sound TrackFeatures: Lossless, Noise Reduction, Non-delayedSize Details: 5cm x 5cm x 2.7cm/1.97" x 1.97" x 1.06" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:2 x Wireless Earphones1 x Charging Box1 x Data Cable1 x User Manual