Features: 1. Bluetooth-compatible 5.2 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. 2. Long-lasting Battery Life: The charging compartment combines charging and storage, and intelligent display of power, the headphones can continue to listen to songs all day when fully charged. 3. Intelligent Noise Reduction: Even when you are in a noisy environment, this headset allows you to talk clearly as if you were communicating face-to-face, without being affected by noise. 4. Fingerprint Touch: Just a click of the fingertips can achieve rapid recognition, easy to understand the operation, say goodbye to the tedious. 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: 5.2 Usage Time: 4-5h Headset Capacity: 35mAh Charging Compartment Capacity: 350mAh Standby Time: 150h