Features: 1. HIFI Sound: With 13mm moving coil unit, rich layers, more surging and powerful bass, bringing you pure and lossless sound quality, so you can enjoy. 2. Bluetooth-compatible 5.1 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. 3. Separate Design: Both headsets can be connected to the same phone at the same time, or can be used independently with a single headset. 4. Illumination Breathing Light: The headset comes with breathing ambient light to make your gaming experience feel better. 5. After-service: If you have any questions after receiving the product, please feel free to contact us and we will provide you with a satisfactory answer. Specification: Bluetooth-compatible Version: 5.1 Transmission Distance: 15m Speaker Unit: 13mm Standby Time: 130h Talking Time: 5h Music Time: 5h Charging Time: 1h Charging Compartment Capacity: 350mAh