It can control speed control

Style: Winter cotton pants

which is safe and energy-saving

Remote control battery: 6 AA batteries ( battery not included)

[Precautions] Please pay attention to the principle of safety

Z27 Full Touch, Multi-sport Mode, Heart Rate Monitoring SmartWatch Color:Silver It can control speed controlProduct information: Model: Z27 CPU: HS6620+BK Operating: Touch Feedback: Sound. vibration Texture: Zinc alloy. Steel strap. Leather strap Battery life: 200AH Screen size: 1. 54 inch color screen Charge mode: Clips charge Transmission mode: Bluetooth 4. 0 above System requirements: Android 4. 5 or above 10S9. 0 or above Packing list : Smart bracelet+charging cable+Product manual