Smart watch phone card 1.3 round screen one button SOS sports step smartwatch Bluetooth smart bracelet

Screen size: 1.3 inches
Interface : USB 2.0
Camera: 1.3 million pixels
Body memory: 512mb
Screen material; IPS
How to wear: Wristband
Compatible systems: fully compatible
Communication function: support
Menu language; global multi-language
Wireless distance: 5m and below
Battery capacity: 300mah
Mode of operation: touch + button
Product size: 25mm
Screen resolution; 240*240
Wrist strap material: silicone