9D panoramic sound effect: Sound quality is the soul of headphones. We use a graphene diaphragm unit to bring high-fidelity sound quality, which makes the sound more powerful Bluetooth-compatible 5.1 chip: Bluetooth-compatible 5.1 chip can achieve low power consumption, greatly improve data transmission rate, and make the sound quality better and signal more stable Take out automatic connection: Breaking through the tradition, it can automatically pair when it is turned on, and it can be connected and paired instantly when it is put into the box, which makes it simple Life-grade waterproof and sweat proof: Multi-process design of the head and body, effectively preventing sweat from damaging components, and running fitness without fear of sweat and rain Wearing comfortably Listening is enjoyable. Powerful music configuration, more powerful performance Specifications: Item model number: C1 Communication distance: 10 meters (barrier-free) Single ear capacity: 40mAh Music time: about 30h (used with the charging case) Bluetooth-compatible version: V5.0 Noise reduction version: Cvc8.0 Charging case capacity: 300mAh Standby time: about 50h (used with the charging case) Applicable products: smart matching mobile phones, tablet computers (for Apple and Android) General functions: music play/pause, call alert, binaural call, intelligent noise reduction Package included:1 x Pair of Headsets1 x Charging Case3 x Pair of Ear Tips (1Pair Assembled)1 x Data Cable1 x English and Chinese ManualOther items not included