Awei Foldable Bluetooth-Compatible 5.0 Stereo Deep-Black

Item name: headphone material: metal + abs model: a780bl transmission range: 10 meters function: power display, voice control, call function, support music, multi-point connection bluetooth protocol: 5.0 channel: stereo how to use: head-mounted whether single or both ears: bilateral stereo battery: 250mah integrated lithium-ion battery music playback time: 15 hours talk time: 12 hours waiting time: 300 hours charging time: 2 hours operating distance: 10m waterproof: yes, daily lifes water resistant (but not for bathing, swimming, diving, etc)2