Product Details: 1.Bluetooth V5.0 chip,stable singal transmission. 2.Bluetooth transmission distance: 10 meters. 3.360 degrees rotating design, suit for left and right ear. 4.Support adjust volume and change music 5.Battery capacity of the headset: 100mAh 6.Battery capacity of the storage box: 500MAH 7.Noise Reduction: CVC 8.0 8.Working voltage: 3.7V 9.Charging voltage: DC5V 10.Charging Time: about 1.5 hours 11.Talking time: 10-12 hours 12.Music time: 10-12hours 13.Frequency response: 50Hz - 20KHz Product Features: 【 BLUETOOTH HEADSET 5.0】: Through Bluetooth 5.0 Wireless headset audio technology and enhanced voice clarity . That Suitable for mobile calls, streaming music, and GPS directions and so on. ? 【HD Voice Support】: Bluetooth Headset V5.0 Built-in HD microphone. Uses sensitive microphone to recognize vocal , reduce noise interference,clear and comfortable,offers clear audio and natural sound, allows you to enjoy high quality music and clear phone calls wherever. just like face-to-face communication. ? 【SWEATPROOF AND DUSTPROOF】: Bluetooth headset 5.0 is sweatproof and dustproof. Whether in the gym, outdoor sports are unlimited, and music is endless. Don't worry about sweating a lot. Music with me "moving", IPX5 sweatproof and dustproof. ? 【CONVIENENT AND COMFORTABLE】: Bluetooth headset 5.0 can be inserted into any ear, and can be turned and rotated to ensure a firm fit. Lightweight, comfortable, close-fitting, safe, and tailor-made for you, you can wear it for hours at a time. A unique high-end carrying case protects the headset from damage and loss. ? 【SUPERIOR POWER】: Up to 8 hours of talk and includes Deep Sleep Power-Saving mode to automatically hibernate when necessary.The Bluetooth Headset 5.0 large-capacity battery is the best companion for getting on the plane, express delivery, rider delivery, travel, going out, driving, and more. Packing List: 1 * Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual