Wristwatch (Black band) Dial diameter: Approximately 2.8cm Watch band length: Approximately 22.5cm The battery is for testing purposes, so it may run out quickly. It has a stopper. Please remove the stopper and set the time before use. Includes one instruction manual. ※※The contact information for the support center is listed in the instruction manual. Shipping will be done with waterproof protection in a vinyl bag and wrapped in cushioning material. It will be sent via Yu-Packet Post Mini and delivered to your mailbox.