Timeset manually, Music control, Multi-sport, Reject call, 24 hour heart rate, blood pressure, SP O2, Drink reminder, Fitness, Message Storage, Find the phone, 12/24 time, Timer, Stopwatch, Display timeout, Do not disturb, Wrist sense wake screen, Camera remote, health connection, Tuya(Optional). D4. 7 7/8" L x 3/4" W x 1/2" H