Model: C5S Smart Bracelet (Bluetooth)Material: Plastic Head + Crafted Lens + TPU StrapDisplay size: 0.96Battery Capacity: 90mAH, standby 10-15 days, use 3-5 daysColor: Black, Orange, White, Pink, Red, Green, PurpleProduct Weight: 57.9GProduct Size: 101*101*31MMProduct Description Cost-effective, dual dial switching, four brightness adjustments, weather temperature, time, date, day of the week, steps, calories, range, heart rate, blood pressure, blood oxygen, exercise (running, cycling, jumping rope), find your phone, connect to your phone, you can make phone calls, send text messages, APP Alarm Clock_Sedentary reminder, smart anti-lost, 12/24 hours setting, IP67 waterproof, USB charging. Chinese and English bracelet, APP Support multi-language.Battery type: lithium polymer battery Lithium polymer battery Capacity: 90mAhInput Voltage DC5.0VBracelet weight: 15 gramsTotal length of the bracelet: 240 mm Total length Waterproof rating: IP67 IP67Clasp Material: Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum Aluminum AluminumRequires Android 4.4 or iOS 8.0 or later.Package Configuration Main unit X1 Strap X1 Instruction manual X1 Certificate X1