1. Bluetooth dual headset calls, built-in TWS headset. 2. Delicate and compact, comfortable in-ear, on-ear design. 3. Headphone touch simple operation. 4. 3.5 hours of battery life for listening to music, using high-efficiency polymer batteries. 5. Equipped with advanced chips, it can monitor your heart rate, blood oxygen and blood pressure 24 hours a day. 6. Monitor sleep at any time to help improve sleep quality. 7. There are nine built-in sports modes to meet the sports needs in different scenarios. 8. 250mAh polymer lithium battery, standby time is 15 days.
