Review on 💪 Boost Your Workout with Grey Bone Conduction Bluetooth Headphones for Sport Fitness by Michelle Bell

I ordered this as a Father's Day gift. Speaking Chinese through the speaker could not change language, but could use about 2-3 times and then died. Called Revain customer service, they were able to send a replacement. Husband used a replacement for the first time, it was good. The second time I used it after running 5 km in the morning, then I charged it at night. When he tried to use it, the charger and headphones were singed/charred! Thank God we caught ourselves in time and didn't start a fire! I do not recommend it at all!