ship from Japan Wireless reading method: Blue LED Convenient to use on mobile laptops Ultra-compact Bluetooth 3.0 mouse It’s an ultra-compact type that fits in the palm of your hand, so it doesn’t get in the way when you carry it. It supports the Bluetooth Ver3.0 standard and can be connected to a computer with built-in Bluetooth without a receiver. Equipped with a blue LED sensor that is more sensitive than the red optical type, achieving high reading performance. An easy-to-use mobile mouse with an ergonomic design. It has a long life of about 3 months with 2 AAA batteries. Applicable Specifications: Bluetooth Ver.3.0 [Size / Weight]: W41 x D78 x H33mm / 30g (without batteries) Compatible models Windows-equipped (DOS / V) PCs with built-in Bluetooth modules, tablets Android smartphones and tablets that support Bluetooth mice * For compatible models, check the specifications of the device you are using. Models to which the Apple Mac series Bluetooth adapter is connected and installed