features advanced True Wireless (TWS) BT 5.0 Technology, built-in high-grade microphone and speaker, hands-free function and lightweight design. A great companion for your daily life, office time, driving or travel. Features: TWS Headphone Design: Wireless dual ear design, left and right ear channel separation. You can use the headset solely, or used them in pairs (stereo mode). Comfortable to Wear: 4g lightweight, mini size and 2 sizes of earcaps provide you long time wearing comfort, and guarantees stability when doing sports. Noise Cancellation: DSP noise reduction corrects signal according to the environment, dimming the background sound. HD Microphone enables clearer calls. Long Battery Life: 45mAh battery in each headphone ensures about 6 hours of working time. The charging box enables headset charging for 6-7 times. Charging Box: The headphones will be charged automatically in the 600mAh charging box and stop automatically after fully charged. BT Connection: Supports BT 5.0 technology, low power consumption and ultra-long life battery.