Promate LaBoca Wire & Wireless Headphone Deep Bass Bluetooth v5.0 w/ MicroSD Playback 5H Playtime Built-In Mic & Control - Black: From the manufacturerMusic that can move with you is here. Hear every detail with precisely engineered wireless audio with LaBoca. The powerful 40mm speaker drivers and Bluetooth v5.0 ensure an exhilarating wireless listening experience paired with finely tuned acoustics and thumping bass