Product Description Specifications The water-resistant Kelvin smart band with its TFT colour screen and soft adjustable strap measures your Body Temperature, Heart Rate, Blood Oxygen level and Blood Pressure to provide the latest real-time monitoring of your daily exercise regime. Activity tracking includes; step count, distance travelled, calories burnt and fatigue monitor. Added features include; weather monitor, call rejection, multi-sport, stopwatch, wrist sensor, camera remote and sleep monitor while providing call, SMS, WhatsApp and Social media alerts. Simply download the user-friendly APP, connect the Bluetooth and synchronise the data to your iPhone or Android smart phones for easy management. Includes; Built-in USB and user manual. Material: TPU, ABS. Product Size: 250 x 19 x 12 mm Branding Area: 9 x 9 mm (clip on band) Standard Packaging: Black Paper Box Certification: CE, FCC, RoHS, MSDS, REACH Specifications: Bluetooth 5.2 Standard, SYD8811 Chipset, APP: Dayband, TFT Colour, Screen Size: 0.96 inches, Lithium Battery Capacity: 90mAh, USB Clip Input: DC 3.7V / 10 mA, Working Time: 4 - 7 days, Charge Time: 2 hours, Standby Time: 7 days, Waterproof Rating: IP Material: Paper