Garmin vívosmart 4 OLED Wristband activity tracker Black 12TB minimizing reverse ghosting and providing minimizing reverse ghosting and providing fast response time 0 Built in USB hub Yes Ergonomics Tilt adjustment Yes Tilt angle range 3 25° Swivel angle range 45 45° Swivelling Yes Pivot Yes Height adjustment 13 cm Height adjustment Yes Panel mounting interface 100 x 100 mm VESA mounting Yes Power Energy efficiency scale A to G AC adapter output voltage 100 240 V Power consumption (off) 0 Performance Touchscreen Yes Display resolution 48 x 128 pixels Display type OLED Design Control type Sensor Waterproof up to 50 m Waterproof Yes Adjustable Yes Band size L Band material Silicone Band colour Black Housing material Aluminium Product colour Black Device type Wristband activity tracker Features Memory capacity 14 day(s) Alarm clock Yes Timer Yes SMS notifications Yes Date indication Yes Stopwatch Yes Call notifications Yes Camera shutter function Yes Barometer Yes Accelerometer Yes Workout tracking Yes Personal goals Yes Quality of sleep Yes Floors climbed Yes Pedometer Yes Distance travelled Yes Calories burned Yes Active minutes Yes Heart rate monitor Yes Ports & interfaces Wi Fi No Bluetooth Yes Power Battery life 7 day(s) Weight & dimensions Height 188 mm Depth 10 4 g System requirements Mobile operating systems supported Android