Xiaomi Smart Band 7 AMOLED Wristband activity tracker 4.11 cm (1.62") Black PC Accessory Cable PRIME Z790M PLUS D4 PRIME Z790M PLUS D4 This technology helps to filter out ambient noise for optimum group conference call quality 62") Display type AMOLED Design Removable strap Yes Control type Touch Waterproof up to 50 m Water resistance 5 ATM Waterproof Yes Splash proof Yes Closure type Single prong strap buckle Dustproof Yes Wrist size range 160 224 mm Adjustable Yes Suggested gender Unisex Band size One Size Band material Thermoplastic polyurethane (TPU) Band colour Black Product colour Black Form factor Oval Device type Wristband activity tracker Features Alarm clock Yes Calendar notifications Yes Timer Yes SMS notifications Yes Do not disturb function Yes Weather display Yes Date indication Yes Stopwatch Yes Call notifications Yes Gyroscope Yes Camera shutter function Yes Find my phone function Yes Accelerometer Yes Blood oxygen sensor Yes Vibrating motor Yes Position location No Workout tracking Yes Personal goals Yes Quality of sleep Yes Hours slept Yes Pedometer Yes Distance travelled Yes Calories burned Yes Active minutes Yes Heart rate monitor Yes Heart rate sensor type Optical Ports & interfaces Wi Fi No Bluetooth Low Energy (BLE) Yes Bluetooth version 5 Your favorite from your album is always on for you with AOD always on mode