Lerbyee M4 Smart Bracelet Sleep Monitor Bluetooth Fitness Tracker Call Reminder Take Photos Sport Wristband for iOS Android

Brand Name: Lerbyee
Function: Blood Pressure
Function: Passometer
Function: Sleep Tracker
Function: Calendar
Function: Heart Rate Tracker
Function: Alarm Clock
Function: Activity Tracker
Function: Fitness Tracker
Function: Social Media Notifications
Function: Message Reminder
Function: Call Reminder
Language: English
Screen Type: Color LCD
Waterproof Grade: Life Waterproof
Compatibility: All Compatible
Touch Screen: No
Band Material: Silica
Band Detachable: Yes
Model: M4
Application Age Group: Adult
Case Material: Plastic
Style: Sport
Screen Style: Rectangle/Square-shape
Color: Black,Red,Blue
Battery: 90Ah
Systerm: Android 4.4 above, iOS 8.4 above
Standby time: 3 days for daily use
Strap size: 250mm*19mm*2mm
Screen: 0.96 inch color screen
for: Sport,Running,Climbing,Biking
Type: bluetooth Sport HR Smart Band
Function: Sleep Monitor,Calories,Take Photo,Steps Counting
Charging time: 1.5-2 hours
Charging method: USB in-line charging
CPU: NRF52832
Type2: Bluetooth Smart Bracelet for Sport
Type3: Fashion Sport Men Watch for iPhone
Function2: Heart Rate Monitor,Step,Call Reminder
Type4: Sleep Monitor Smart Band