Specifications:

Product Model: F57L

Color: Black, Pink (optional)

Supported Mobile Operating Systems: Compatible with iOS 9.0 or higher, Android 4.4 or higher

APP: H-Band

Main Control Chip: GR5515 + external 64M FLASH

Heart Rate Sensor: Eppot Micro EM7128

Vibration Reminder: Motor Vibration Reminder

Waterproof Rating: IP67

Size: 1.9" square screen

Resolution: 280x320 (S-RGB wide color gamut)

Type: IPS LCD

Connection Method: Bluetooth 5.1

Band Material: Silicone

Band Operation: Full Touch Control

Battery: Polymer lithium-ion battery

Capacity: 3.7V/260 mAh

Standby Time: 30 days

Charging Method: Magnetic suction charging cable

Charging Time: Approx. 2 hours

Size:

Host: Approx. 42.35 mm/1.65 in Inches

Thickness: 9.7 mm/0.38 inches (without heart rate) 11 mm/0.43 inches (including heart rate) Weight:

Head: 19 g, Whole machine: 36 g

Packaging size: 150.90 x 19 cubic meters/5.90 x 3.54 x 0.74 inches