2022 Summer Gold Award EarFun UBOOM L Wireless 28W Bluetooth Enhanced 16 Hours of Continuous IP67 Dual Passive DSP Stereo Indoor and Outdoor Sound

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【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.

Compact yet powerful: Equipped with two 55mm drivers, dual passive radiators, and advanced digital signal processing (DSP) algorithms, these headphones deliver a powerful 28W output for powerful sound. The software is also tuned for balanced sound from high to low frequencies, allowing you to enjoy a rich, sustained sound regardless of the volume. Fully wireless stereo playback: Equipped with TWS functionality, using two headphones creates an even more immersive stereo experience. TWS connection is easy and wireless, allowing you to connect anywhere. [Two Sound Effects] "Indoor Mode" enhances bass for a powerful, heart-pounding sound experience. "Outdoor Mode" produces clearer, louder sound. Recommended for playing music in large spaces or outdoors. Note: This speaker does not have a surround mode, so be sure to switch to the correct indoor/outdoor mode. [Hands-Free Calling Support] The built-in, highly sensitive condenser microphone allows for hands-free calling and voice assistance functions like Siri and Google Now. Convenient for use while cooking, working, bathing, or other situations where you need your hands and are away from your phone. [Bluetooth 5.0 Compatible] Compatible with Bluetooth 5.0, which includes numerous technological advancements over previous versions, including improved communication range, data transfer capacity, transfer speed, and energy efficiency. [IP67 Waterproof] EarFun's innovative Sweatshield technology ensures the headphones can withstand complete submersion in water. IP67 level waterproof and dustproof, they can withstand immersion in 1 meter of water for 30 minutes. Of course, you can also use them outdoors, such as at the beach or pool, or in the bathroom. Enjoy music anywhere, even in water. [16 Hours of Continuous Playback] The EarFun UBOOM L features a large 2600mAh battery, allowing for up to 16 hours of continuous playback on a single full charge. Immerse yourself in music all day long. [Easy to Carry] The compact design and hanging strap make it easy to carry anywhere. Enjoy music wherever you want. Note: Operating time and charging time may vary depending on factors such as usage environment, volume, and sound source. Thank you for your understanding. [Low Latency Experience] When Video Mode is enabled, the speaker offers a low latency of 150ms, allowing you to enjoy videos and TV shows with ease. You can also connect an AUX cable to use it as a wired speaker. Note: Due to the short communication distance, we recommend turning off Video Mode when listening to music to ensure the best sound quality. [18-Month Warranty] We offer a 18-month warranty from the date of purchase. If the product is defective or becomes unusable within 18 months, please contact us immediately and we will provide a new replacement, return, or refund, unconditionally. Note: There are currently no updates available for this speaker, so no firmware upgrades are required. Please do not attempt to upgrade the firmware yourself.