The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. It has four light modes and a 3.5 hour ...

LONDON, Oct. 20, 2025 /PRNewswire/ -- YSMART, the creators of cutting-edge everyday carry (EDC) gear, has just launched the MQ5X, their most advanced keychain flashlight to date. Now live on ...

After two months of carrying this flashlight every single day, it's never turned itself on. The lock works, and works great, ...