ขาย magene speedometer วัดความเร็ว+เซนเซอร์แบบ dual สําหรับ garmin igps shGE ราคาที่ดีที่สุด

Description: How to use: 1. When using speed and rhythm together, you need to buy two pieces 2. In the speed model, use the application that needs to set the wheel set size Then you can get accurate display speed 3. When using the device for the first time, remove the insulating paper to ensure the battery + power is sufficient 4. Install the battery to switch the mode speed model to the rhythm model or from cadence model to speed model Product Category:speed sensor Product: speed sensor Rhythm 2 in 1 Model: gemini210 Size: 8.85x29.8x38.3mm Waterproof grade: IP54 Sensors: geomagnetic sensors Battery: 2032 button battery Wireless interface: Bluetooth / ant+ Weight: 9g Battery lift: 400 hours Packing list: 1 * speed sensor Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.