Pure bass sound: these bluetooth wireless earbuds don't go for average, but play standout audio. with a 12.5mm driver featuring jbl pure bass sound, these bluetooth headphones do not skimp on sound for music or podcasts from your phone.true wireless earbuds: no annoying wires, no tangles — just your music when and where you want it, compatible with both apple iphone and android devices. these bluetooth earphones with microphone offer wire-free music and hands-free calls, they keep up while you keep moving.up to 19 hours of battery: find your groove and stay in it with these bluetooth headphones. these bluetooth wireless earbuds give you up to 3 hours of nonstop sound from the eaarbuds plus another 16 hours from the pocket-sized charging case.easy controls: go from playlist to call to voice assistant without missing a beat. convenient buttons on the right and left bluetooth earbuds for switching tracks, playing, pausing, voice command, and taking