C1 Wireless Binaural Bluetooth Headset Power Display-long Standby Power Bank Features: Large-capacity charging, which can charge mobile phones, three true battery display, and cool lights. The mini-energy capsule has a built-in large-capacity lithium battery to your wireless music The large-capacity charging can not charge the earphones, but also battery life of the mobile phone, so as to get of the embarrassment of the mobile phone running out of power. LED digital battery display, charging compartment and left and right earphones remaining.Cool fingerprint , and portable control. The Bluetooth 5.1 chip achieves low power consumption while greatly increasing the data transmission rate, making the sound quality better and the signal more stable. Professional-grade sound effects, sweet treble, accurate mid-range,, enjoy the experience of listening to songs and games. Adopting three-point fit and non-sensory design, ergonomic support and decompression, no ears, no ears,-friendly and comfortable to wear for a long. The multi-process design of the body can effectively sweat and damage the components, so that you can run and exercise without fear of sweat and rain. Product Description: Parameters: Bluetooth version: V5.1 Communication distance: 10m (in barrier environment) Noise reduction version: cvc8.0 ear capacity: 40mAh Music time: about 120h (used with the charging cabin) Standby time: about 150h (used with the charging cabin) Charging chamber size: 89.9mm * 30mm General functions: music playing/pausing, call prompt, binaural call, intelligent noise reduction Product List: Charging compartment x1, Earphone x2, 2 pairs of ear caps, Product Manual X1 Data cable X1