【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.
🚲【Comfortable to wear with open ears】Does not clog the ear canal, does not cause discomfort even when worn for a long time, and avoids numbness and tingling caused by the vibration of bone conduction earphones. Using an ergonomic design and skin-tight silicone ear hooks, the angle of the ear hooks fits closely to your ears, providing a comfortable fit even when wearing glasses. (The size of the auricle part is approximately 4.5 x 4 x 1.5 cm.)
🪶【Comfortable Touch】With the perfect combination of nickel titanium memory alloy and liquid silicone, TRUEFREE O2 combines skin-like soft touch with solid and durable performance. (Passed 3000 bending tests in TRUEFREE laboratory) The earphones are as light as a feather at only 8g, minimizing pressure on the auricle and allowing you to almost forget their existence even when worn for long periods of time.
💼【Excellent, immersive audio experience】Supports AAC/SBC codec and provides high-quality sound. You can enjoy all kinds of content, including music, movies, podcasts, and more, with clear, immersive sound. Furthermore, by combining a 15mm large-diameter driver with a unique bass enhancement algorithm, we have achieved clear highs and powerful bass that cannot be obtained with conventional open-ear earphones. Provides the feeling of being at a concert venue no matter where you are
📲 [Rich app functions] Using the dedicated app "TRUEFREE", you can adjust the sound quality with an equalizer. You can freely customize bass settings and sound quality styles. TRUEFREE O2 also features multi-point connectivity, allowing you to connect to two devices at the same time. Ideal for everyday use as you don't miss important information while enjoying music.
🕛【IPX5 Waterproof Function/Up to 22 Hours of Playback】TRUEFREE O2 open ear earphones are IPX5 waterproof and can withstand water splashes, raindrops, and sweat during exercise. Its appeal is that it can be used with confidence in any situation. In addition, the continuous playback time with one ear is up to 6.5 hours, and if you use the charging case, you can play music for up to 22 hours. This frees you from the hassle of frequent charging, making it ideal for daily commuting, business trips, and travel. The charging case will be fully charged in about 2 hours. *Playback time is the time when music is played, and may vary depending on the volume, playback content, and usage environment.
😀 [Bluetooth 5.3 / 12 Month Warranty] Equipped with Bluetooth 5.3, compared to the previous generation, it achieves lower power consumption, faster data transfer, and stable signal transmission, and connects as soon as you open it. It also supports SBC/AAC audio codec, allowing you to enjoy high-quality music. Our products come with a one-year warranty, and in the unlikely event that an initial defect occurs, we will promptly respond.
Adopting nickel-titanium memory alloy and liquid silicone, it fits snugly in your ears and provides excellent tactile sensation. The 15mm dynamic driver and bass enhancement algorithm create a powerful and immersive experience. It can accurately sense the surrounding environment, which is useful for communication and danger avoidance. The noise canceling function of the dual microphones allows you to make clear calls without worrying about external noise. It can play continuously for up to 22 hours, making it suitable for daily commuting. It has waterproof performance that can withstand splashing rain and sweat during exercise. TRUEFREE O2 is the ideal choice to make your music more comfortable and enjoyable. Enjoy the ultimate music experience with these new earphones.
