True Wireless Earbuds, TANGMAI W0 Bluetooth 5.0 Headphones with Microphones, 30H Playtime, Deep Bass, IPX7 Waterproof for Sports, Earphones with Clear Calls for Home/Office -Black.

[Free Listening, Freely Listening] - TANGMAI W0 wireless earbuds built-in a Bluetooth 5.0 chipsets, brings you true freely listening anywhere and anytime.

[Immersive Stereo Bass] - Based on the research of frog vocal vesicle, we developed the Vocal-Sac acoustic technology and built a resonant cavity in TANGMAI W0, when the vibrations of the diaphragm drivers emit a sound, which resonates on the elastic membrane of the vocal sac. The resonance causes the soundstage to be amplified more than 48%, gives you more music detail and stereo.

[Secure Fit and IPX7 Waterproof] - To help you be your best in any workouts, we test it on 1,000+ human ears and 300+ different exercises to design the best ergonomic in-ear angle. We also added the most advanced Nano Coating to the surface of the Bluetooth headphones, make sure that could not be damaged by rain or sweat.

[One-Step Automatically Pairing] - Super easy pairing program, you just need one step to make a connection between your devices and the wireless headphones, and once first pairing success, it will be auto paired to the devices when it's removed from the charging case.

[Enjoy 5+25 hours Playtime] - Each earbud can provide 5 hours of listening time and you can enjoy 30 hours playtime with the charging case. The USB-C quick charging enables you to get up to 1.5 hours playtime with just 10 minutes charging.