Wireless Bicycle Speedometer Meilan M4 Bike Tachometer Heart Rate Monitor cadence Speed Sensor Waterproof Stopwatch

Speed; Size: ca. 85*48*15mm
Speed; Weight: ca. 70g
Speed; Material: PC+ABS plastic
Waterproof: IPX6 (Small Rain Splash Water)
Sensor battery: CR2032 replaceable
Heart rate; Waterproof: ca. 10m
Heart rate; Transmission range: less than 30m
Heart rate; Weight: ca. 66g
Heart rate; Size: 70-120cm/100-150cm
Suitable for: Hiking, Outdoor sports ect.

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