TANK M3 watch Very beautiful and practical black color. Warranty is valid, with one year remaining on the warranty. The watch is almost new, I haven't worn it much, and there are no scratches on it. It has a screen protector. Selling for 300 Contact via WhatsApp Smartwatch Model: TANK M3 Bluetooth Chip: Actions 3085L Step Counter: STK8325 Screen: 1.96 AMOLED 410502 Battery Capacity: 480 mAh Watch Strap: 22mm, removable strap Features: Heart rate monitoring, blood oxygen monitoring, sleep monitoring, over 170 sports modes Manufacturer: Shenzhen Amazwear Technology Co., Ltd.