Features:* 2 in 1 multi-function smart watch and wirelessly bt headset.* Military appearance, metal process, TPU high-grade sports wind band, 1.52 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.* Multiple sport modes, scientific analysis to manage your health.* IP67 waterproof and dustproof, not afraid of swimming, bathing and raining.* Smartwatch compatible with Android 10.0 & IOS 5.0 above smartphone.* Built-in 400mAh batterys capacity, fully charged for about 3.5h, up to 25 days standby time. Support System:Compatible with Android 5.0 and above & IOS 10.0 and aboveEarphone-battery(Each Earphone):35mAhWatch capacity:400mAh Language:English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese, Korean, Vietnamese, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Indonesian, Malaysian, Finnish, Greek, Romanian, Hindi, Farsi, factory default English