New C11 Bluetooth Bracelet 1.47 HD Blood Pressure Blood Oxygen Heart Rate Meter Step Sports Smart Bracelet

Screen size: 1.47

Material: ABS+PC+TPE

Battery capacity: 150mah

Wearing method: wristband

Operation mode: touch + button

Interface: USB 2.0

Wireless distance: 5m (inclusive)-10m (inclusive)

Communication type: no card inserted

Battery life: 7-14 days

Charging method: USB direct plug

Waterproof grade: life waterproof

Connection method: bluetooth