Thank you for viewing. Please read the profile. Please agree to the following before purchasing. Sales may be stopped suddenly. Socket type, new battery replaced. 30-day operation guarantee. Only the cassette is for sale. With the socket type, you can replace the battery yourself when it runs out. Product Name: Wario Land 3 Game Boy Color Socket Type New Battery Replacement & 30-Day Operation Guarantee I do not reuse images. The product in the description image will be delivered. Before shipping, I will replace the new battery and re-measure the voltage (new battery standard: approx. 3.10v to 3.30V) & perform a simple operation check & maintenance, etc., before shipping. To prevent operational defects and incorrect contents, I have video recordings of the above work & packing and shipping. If you would like to check the images during the above work, please send me a message. I will list it as "Buyer's Account Name Exclusive" before shipping, so please check it. The cassette and label may have (screw deterioration, scratches on the cassette, scratches on the label, dirt, sunburn, stains, discoloration, fading, deterioration, age-related deterioration, etc.). This is a used item without a box, case, instruction manual, or attachments. We will ship via Yu-Mail. Anonymous shipping is an additional 100 yen. 100 yen discount from the second order for combined shipping. If the delivered product does not start or is difficult to start, please try inserting and removing the cassette several times, inserting it a little shallowly (deeply), or inserting it at a slight angle. There may be errors in the description. Everything is as shown in the images and the condition. This is a subjective inspection. Please refrain from purchasing if you are a nervous person or do not understand retro used items. Simple operation check has been performed on multiple genuine playback devices. Operation is not guaranteed on devices other than genuine playback devices. There is a 30-day operation guarantee, but we do not guarantee operations other than starting & saving, etc. In the unlikely event of a malfunction, we will ask to see images of the buyer's playback device, etc. We will ship after maintenance, disinfection, and cleaning with ethanol, KURE contact spray & electronic cleaner, etc. By purchasing, you agree to the terms of the transaction. Thank you for reading to the end. Management number 251020