Expertly engineered for the active lifestyle, the WIWU Smart Watch Ultra – SW01 combines fashion with high-end technology. With an IP68 waterproof rating, this sleek watch can be submerged in up to 1.5m of water for 30 minutes. Boasting a 1.9″ HD IPS display, it also offers a range of sport modes and the added security of an SOS feature for emergency situations. About this item 1 year warranty. Fashionable IP68 waterproof high end smart watch with up to IP68 level (1.5m deep water for 30 minutes). 1.9” HD IPS. Sport modes etc. Features: SOS for help, Sleep monitor, Heart rate, Bluetooth call, Notification sync and many more. Standard: GB4943.1-2011; GB/T22450.1-2008. Watchcase: Zinc alloy. Display: 1.9” IPS, 240*283 full round display. Memory: 192KB+128MB. Charging type: Wireless charging. Battery: 420mAh. Wireless connection version: 3.0+5.0. Waterproof level: IP68. Charging time: 2 hours. Stand by time: 7 days.