130L extra large waterproof outdoor backpack Canvas Duffle Bag this advanced wearable keeps a

this advanced wearable keeps a vigilant eye on your vital signs

- Working range: 10M

- Black Colour

4GHZ Wireless connectivity no need to code

130L extra large waterproof outdoor backpack Canvas Duffle Bag this advanced wearable keeps a130L, water resistant, tear resistant, lightweight, and durable Climbing backpack, spacious main compartment, and numerous pouches with large capacity Ultralight, only 0. 95kg, reducing the backpack loading weight so that you can carry more other items Rain cover pouch on the bottom prevents water and dust into the backpack, a useful tool on a rainy day Shoes separated storing pouch, preventing the items inside the backpack from being dirty,