Features:* 2 in 1 multi-function smart watch and wirelessly bt headset.* Military appearance, metal process, TPU high-grade sports wind band, 1.96 inch full touch screen??mechanical button operation double operation* BT 5.0 technology, more stable connection, lower energy consumption, with advanced music chip, better experience.Support to monitor heart rate continuously.* The watch have 4GB memory, can store up to 1200+ songs, local playback, external super long 10 hours of strong sound (maximum volume).* Multiple sport modes, scientific analysis to manage your health.* IP67 waterproof and dustproof, not afraid of swimming, bathing and raining.* Smartwatch compatible with Android 9.0 IOS 5.0 above smartphone.* Built-in 400mAh batterys capacity, fully charged for about 3.5h, up to 25 days standby time.