The inReach Messenger allows you to stay in touch with friends and family via two-way global text messaging, even in areas where cell phones don't work, such as mountains, at sea, or overseas. It's compact (7.8 x 6.4 x 2.3 cm, 113.9 g), making it easy to carry. It can also be operated with your smartphone by connecting via Bluetooth to a smartphone messenger app. To use satellite communication, a satellite subscription plan (paid) is required separately. After purchase, please choose a plan that suits you. For more information, please visit the Garmin website. Initialization data is complete. Regular price: 42,900 yen (tax included) All accessories are included. ・Instruction manual ・Cable The performance is working without any problems, and the battery has not deteriorated, lasting for more than two weeks on a single charge. Purchased six months ago and carried twice. If you have any questions after purchase, the Garmin support center will provide helpful assistance if you contact them by phone.