1MORE Open Earbuds S31 Open Ear Earphones Earphones Block Your Ears Up To 30 Hours Playback Includes Microphone Ultra Lightweight Running Sports

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. [8.2g earhook for comfort at all times] 35% lighter* and silicone coated on 0.7mm steel wire, it fits snugly to the shape of your ear and ensures a secure fit no matter the intensity of your activity. I guarantee it. (*1Comparison with MORE S30) [Comfortable Wear] The 1MORE S31's ergonomic design reduces the size by up to 50%*, eliminating the discomfort of pinched ears. This reduces discomfort when wearing and provides unparalleled comfort. (*1Comparison with MORE S30) [Can be used for 30 hours on a single charge] The earphones can be used for about 8 hours on their own, and up to 30 hours with the charging case. *Playback time may vary depending on device settings, usage habits, and other factors. [14.2mm Dynamic Driver] 1MORE S31 is equipped with a huge 14.2mm dynamic driver, directional sound technology, and cutting-edge DBB bass enhancement algorithm to take sound quality to unprecedented heights. [More advanced bass technology] Provides a more powerful and realistic sound experience with enhanced bass and overall sound quality reproduction. [4 Microphones with AI Noise Canceling] Equipped with 4 microphones and adopting advanced noise canceling algorithms, 1MORE S31 automatically removes surrounding noise and provides clear sound even in noisy outdoor environments. Provides high-quality voice calls. [Open the case and connect instantly] Equipped with Bluetooth 5.3, which greatly improves stability, connection range, and data transfer speed. [IPX5 waterproof specification] It is difficult to break down even if it gets wet with water or sweat, and can be used tough in sports scenes such as running and jogging. [Easy to operate with touch] Tap and hold touch controls for various operations such as volume adjustment, playback, voice assistant, etc. *2nd tap and 3rd tap can be customized in the app *Please note that 1MORE Fit Open Earbuds S31 is only compatible with the latest app "1MORE". The past app "1MORE MUSIC" is not supported. *Currently, the latest app is only compatible with the following products, but it will be compatible with other products in future updates.・1MORE Fit Open Earbuds S31 ・1MORE EVO ・1MORE Aero ・1MORE Comfobuds mini OS requirements: Android 6.0 or higher or iOS 9.0 or higher 1MORE S31 open ear earphones