Cpr Wrist Band

Displays data in real time. turn on only 3 seconds. Bluetooth support. up to 6 hours battery life. 3 minutes auto-off. USB charging. crystal OLED screen.
Bluetooth supported. can be used for AED trainer xft-120g, accelerometer & intelligent algorithm that make xft-120h the ultimate device for CPR training
Instant heart signal tracking. accurate display rate and depth of chest compression during CPR in real-time. professional data helps training better.
0.42 inch full OLED screen. clear in design. simple in line. easy to use.
Easy charging, longer duration. free you from different cables and chargers. the built-in USB plug of xft-120h fits in general USB chargers. once 3 hour full charge powers lasting 6 hours usage.