Apart from the above mentioned functions OPTA SB-068 brings you the best in class products with great quality. When we talk about quality we mean our products have a better chipsets and more memory, better display and a better touch screen to give you the best performance available for this segment of smart watches. At OPTA we thrive on giving our customers the best value hence we make sure we source the best products directly from the best manufacturers all around the world and have stringent quality checks. Please read the entire product details to ensure you have a satisfied experience purchasing our products. These are the technical of the watch for your reference specifications: *Meterial: Stainless Steel *heart rate function *sensor: Kionix kx022-1020(same as used in all leading brands) *chipset: MTK2502C-ARM7 (same as used in all leading brands) *touch screen: 1. 22 ips hd 240*240 pixel *bluetooth version: 4.0 ble(low power consumption) *compatible: Ios 7.1+version, android 4. 4+version *battery: 300mah * functions: *Step counts, distance measuring, calorie consumption management *sleep management, event trigger *call reminder, message reminder, clock, sedentary reminder *anti-lost (positive and negative direction lookup) *remote camera, vibration alarm clock and waterproof: IP54, bluetooth dailer, bluetooth music playing, bluetooth headset, speaker, mic.