Armband Heart Rate Monitor Bluetooth running Cycling 

SPECIFICATIONS
Wireless signal strength: ANT+: 7m, Bluetooth: 10m
Wireless connections: Bluetooth 5.0, ANT+
Weight: about 20g
Waterproof level: IP67
Step Tracking: Yes
Operating environment: -10?~ 50?, ? 85%
Model Number: HW807
Memory: Yes
Material: PC&ABS
Heart rate tracking: Yes
Heart rate monitor type: Armband
Heart Rate Zones and Alert: Yes
Charging method: Magnetic USB Charging
Body dimensions(LxWxH): about 43.00*36.00*12.50mm
Battery: Rechargeable lithium battery 90 mAh

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.