They are auto power on/off, the button on them is to reset the counter NOT to switch them on. Features: power saving, automatic startup and shutdown, useful, belt clip.
eBay
1PC Watch Waterproof Fitness Wristwatch Sports Watch with Step Counter Sleeping Monitor Message Notification
Aliexpress UK
For best accuracy, use 3DFitBud for continuous and consistent walking activity and carry with good stability. Multiple Wearing Options: Removable clip & lanyard included. Clip to waist, wear around neck or place in pocket.
eBay
Kids Smart Watch HD Screen Camera Step Counter Sleep Monitoring Alarm Children's Game Watch Waterproof SmartWatch For Boys Girls
Aliexpress UK
Water-resistant Performance: With waterproof function, fearlessly used in sweat or light rain, ideal for diverse outdoor sports activities. The Step Counter Watch is very great. Accurate step counting for various outdoor sports.
eBay
Kids Games Smart Watch 18 Games Camera Waterproof Flashlight Sleep Monitoring Step Counter Boy Girl Children Smartwatch Gifts
Aliexpress UK
Calorie Calculation: Input your weight to enable the wristband to calculate the calories burned during your activities. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
eBay
SYNOKE Sports Watch for Men Clock Electronics Watches Alarm LED Waterproof 3D Step Counter Digital Watch Men's relogio masculino
Aliexpress UK
Step Exercise Pedometer Wrist Watch Pedometer Calorie Counter Smart Bracelet This fabulous pedometer step counter is durable and useful for a long time. Portable and stylish design is energy-saving and eco-friendly. It's helpful to your exercising. Auto detect waist movement while jogging. Steps count from 0 to 99,999. Low battery consumption and Auto Sleep. 100% Brand new and high quality. Specification: Function: step counter, distance & calorie calculation LCD display, easy to read Power by: 1x button cell Material: ABS + Silica gel Package Included: 1*bracelets
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Hearkent Pedometer Watch Men Waterproof Step Counter Calorie Tracker Women Back Light Display Countdown Digital Sport Watches
Aliexpress UK
Comes unused and ready to go Any questions welcome
eBay
Hearkent Digital Watches Sports Watch with Step Counter Men's Watch Calorie LED Backlight Countdown Fitness Pedometer Wristwatch
Aliexpress UK
No downloads or smartphones connections are required. Perfect for all ages (adults, seniors, and children). Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
eBay
M4 Wristband Sport Fitness Pedometer Color Screen Smart Bracelet Blood Pressure Walk Step Counter Smart Band Watch
Aliexpress UK
Calorie range: 0 - 999.99. For accurate reading, mount the unit closer to the center of your body. distance and calories you burn. Just clip it around your waist and go exercising. Step count range: 0 - 99999.
eBay
Hearkent Pedometer Watch Men's Digital Watch No Bluetooth Sport Watches Step Calories Counter Walking Fitness Tracker Wristwatch
Aliexpress UK