I purchased this around February of this year, but I'm selling it because I haven't had a chance to use it. I opened it once to check the condition. The AGE-R BOOSTER PRO features a slim design for easy handling and a mode switching function. - Model Name: AGE-R BOOSTER PRO - Included: Instruction manual, USB cable - Function: Mode switching function - Design: Slim and easy-to-hold shape - Color: Black Thank you for looking. I will ship via either Rakuraku Mercari Delivery or Yu-Yu Mercari Delivery.