M4 Smart band Fitness Tracker Watch Sport bracelet

Brand Name: DOOLNNG
Function: Passometer
Function: Sleep Tracker
Function: Message Reminder
Function: Call Reminder
Function: Push Message
Function: Blood Pressure
Function: Alarm Clock
Function: Heart Rate Tracker
Waterproof Grade: Not Waterproof
Compatibility: All Compatible
Language: English
Touch Screen: Yes
Screen Type: Color LCD
Band Material: Silica
Band Detachable: Yes
Case Material: Plastic
Model: M4
Application Age Group: Adult
Style: Sport
Screen Style: Rectangle/Square-shape