HIFIMAN TWS400 True Wireless HiFi Waterproof Noise-Isolated Sports Earphones with Fast charge,19 Hrs Playtime, Bluetooth 5.0, Low Latency. Resistance to sweat & dirt-secure fit for vigorous workouts.Ergonomic design for optimum comfort: Earbuds are shaped for maximum comfort, with an ultra-lightweight body (5.9g only).

Great-sounding Bluetooth with Hifiman topology diaphragm - The “topology diaphragm” refers to a diaphragm with a special nanoparticle coating applied to its surface

Resistance to sweat & dirt-secure fit for vigorous workouts. Ergonomic design for optimum comfort - Earbuds are shaped for maximum comfort, with an ultra-lightweight body (5.9g only)

Total 19 hours playtime.TWS400 allows you to enjoy music all day long and more with its compact charging case

Streaming video companion - More immersive audio experience, low latency

All functions controllable by either earbud - Press two seconds to wake up the voice assistant. Supports Siri, Google voice assistant, Cortana, Alexa and most voice assistants

Single-channel option enables you to use one earbud without the other for increased awareness of your surroundings

Fast Charge - 10 minutes of charge gives you 120 minutes of Playtime