radius HP-T250BT (Blue) Smallest and lightest class! Truly wireless earphones Noise canceling equipped, Bluetooth compatible Condition: Purchased 4 months ago for work but never used, and has been kept in a drawer since. Please note that the box is not included. Instruction manual is included. Purchased at Yodobashi Camera for 9900 yen. ★Product Description Ambient Sound Mode / Single-Ear Mode, External Sound Input Left/Right Separate Type, Long-Time Playback IPX5 Waterproof/Splashproof Noise Canceling Mode Equipped with a noise-canceling mode that cancels out surrounding noise, allowing you to comfortably enjoy music and videos even on trains and buses. The tuning specifically reduces low-frequency noise significantly, providing excellent noise-canceling performance despite its compact size. It suppresses the uncomfortable pressure unique to noise-canceling functions, and is designed to be gentle on the ears, making it less tiring to listen for long periods. Ambient Sound Mode Equipped with an ambient sound mode that allows you to instantly hear conversations and station announcements without removing the earphones. It can capture external sounds, especially focusing on human voices, making it useful in various "listening while doing" scenarios in the city, such as working in a cafe or shopping. High-Quality Gadget That Fits in Your Pocket Its compact size makes it a perfect everyday item to carry in your pocket or bag, and you can easily welcome it as a new companion. It fits snugly in your ears and provides a light and comfortable fit, even in active situations. It delivers high resolution and powerful sound that you wouldn't imagine from a small body weighing only 4g per ear, making it a powerful listening gadget that you'll want to take with you as a fashion item. Long Battery Life of Up to 30 Hours The continuous playback time of the earphones themselves is up to 10 hours. When using the charging case, it achieves a battery life of up to 30 hours. You can comfortably use it all day long, whether for commuting, going to school, or on business trips and travels where you tend to spend a long time traveling.