Bluetooth Earphones In Ear Wireless Female Mini High Appearance, True Noise Reduction, Long Endurance, Comfortable Sleep Features: Customized graphene diaphragm achieves elastic using a large-size composite diaphragm unit. The lightweight multi-layer composite diaphragm has high tension characteristics, sufficient low-frequency elasticity, and high-speed transient response to make music subdivision and full. 30 hours of long-lasting battery life and 30 hours of compound battery life. When you need music to accompany you, you will be full of energy at all times, enjoy extraordinary indulgence, and enjoy your music world. The in-ear design is comfortable to wear and the semi-in-ear design is comfortable to wear for a long. It conforms to artificial stereology, giving you a comfortable "sensorless experience" from the inside to the outside, and you can enjoy your music life comfortably. The smart hosts can be used on the left and right to seamlessly between the two ears. You can pick up one at will and listen to it. The transmission is stable and the connection is continuous. It is easy to use no matter how you use it. Easily pair in . Various mobile phones, computers, tablets, etc. have good and can be connected without worrying about adaptation issues. Product Description: Transmission range: 15 meters Functions:, noise reduction, long battery life, call function, voice control, music support, sleep mode, low latency Bluetooth protocol: 5.3 Usage: In-ear type Whether and binaural: bilateral stereo Color: gray white, orange white, white yellow Battery life: 0-4 hours (hours) performance: daily Material: PC+ABS Products include: Bluetooth headset*1