GIYO Backlight Waterproof M4 Bicycle Stopwatch BT Wireless Rode Speedometer Odometer

The stopwatch supports charging, BT, sensitive induction, waterproof, full screen backlight, data can be see clearly no matter in day and night.

Features:
Support charging, super long standby time.
The 2.5-inch display makes the date clearer.
BT and heart rate belt can be connected.
Exquisite design, easy to carry, almost weightless.
Highly waterproof, not afraid of rain.
Full screen backlight, data can be see clearly no matter in day and night.
You can choose the language according to your own habit.
Two installation modes, easy to operate.

Specifications:
Brand:_GIYO
Model: M4
Material: Plastomer
Color: Black
Cell:
_ _Stopwatch:_ Rechargable Lithium cell, 3.7V 800mAh (included)
_ _Step Transducer: CR2032, 3V 210mAh (included)
Package Weight: 245g / 8.64ounces
Item Size: 90 * 49 * 13mm / 3.54 * 1.93 * 0.51in
Package Size: 130 * 110 * 55mm / 5.12 * 4.33 * 2.17in

Package List:
1 * Stopwatch
2 * Mounting Bracket
1 * Charging Line
2 * Wheel Magnet
3 * Kinds Of Installation Bind
1 * Hexagon Wrench
1 * Step Transducer