Thank you for viewing. This is the New Balance N5 Heart Rate Monitor, a multi-functional running watch. It is a rare, unused item, and is especially recommended for those who run or train. Product Appeal/Features • Brand: New Balance • Model: N5 Heart Rate Monitor • Color: White • Main Functions: • Heart Rate Monitor: Measures heart rate during training • Calorie Counter: Displays calories burned • Chronograph (Stopwatch): Accurately measures training time • EL Backlight: Easy to see the time even in dark places • Water Resistant: Water resistant for everyday use Product Condition • Body: Unused, with no noticeable scratches or stains (Excellent condition) • Accessories: Heart rate transmitter (belt), instruction manual, all included. • Operation: Currently, operation has been confirmed. (Confirmed after battery replacement) • Special Notes: • Due to long-term storage, it has been opened twice for operation check and battery replacement. • There is some damage to the box (Please check the photos) • It is currently working, but the battery may be nearing the end of its life depending on when you purchase it. Requests to Buyers [Regarding Battery and Transmitter] • We have replaced the battery (twice) when listing the item, and it is currently working, but we cannot guarantee the remaining battery life after delivery. • The heart rate transmitter may require separate settings on the buyer's side depending on the battery level and pairing method. • To prevent any problems, please purchase only if you understand the above. Shipping Method • Free shipping (seller pays) • Anonymous shipping (Mercari shipping) to protect your privacy. • We aim to ship the same day or the next day. Instant purchase is OK! If you have any questions, please feel free to comment.