New C11 Bluetooth Bracelet 1.47 HD Blood Pressure Blood Oxygen Heart Rate Meter Step Sports Smart Bracelet Color:Green 2X: bust 52 in

2X: bust 52 in

Standby power consumption: 20 days of standby

The D-rings on the strap attachments provide additional functionality

Spare 1/4 to 3/8 exchanging thread adapter is included

M: front length 30

New C11 Bluetooth Bracelet 1.47 HD Blood Pressure Blood Oxygen Heart Rate Meter Step Sports Smart Bracelet Color:Green 2X: bust 52 inScreen 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