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ENC CRYSTAL-CLEAR CALL
Customized 4-mic array filtering surrounding noises for fewer distractions during calls.
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LOW LATENCY MODE
The wireless earbuds achieve a wide 3D experience for immersive audio and cinematic experiences.
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EARFUN AUDIO APP
Take complete control of Free 1S, switch between different EQ presets and game mode, adjust touch controls, and more.
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IPX7 WATERPROOF
Protected by our Innovative SweatShield Technology that hermetically seals the internal circuits, so EarFun Free 1S Bluetooth earbuds will keep every single drop of sweat at the outside where it belongs. Take the earbuds with you even in kayaking or surfing.
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COMFORTABLE & SECURE
Ergonomic and lightweight design fit comfortably and snuggly in your ear; 3 sizes of ear tips option provide individualized fit and comfort for all-day wearing with no pain. They fit securely, stay firm in place even for workout or running.
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TWO WAYS TO CHARGE
The carry case can be charged via USB-C or a wireless charger(not included). Just 10 minutes charging can make 2-hour listening and take 1.5 hours to full charge the wireless earbuds. Charging wirelessly offers you a more convenient charging method.