Thank you for viewing. Please read the profile. Please agree to the following before purchasing. Sales may be stopped suddenly. (Important) The label has few scratches, so it is considered to be a relatively good product (relatively good product means in comparison to our products and is based on our subjective opinion). Socket type, new battery replaced. 30-day operation guarantee. Only the cassette is for sale. In the case of socket type, you can replace the battery yourself when the battery runs out. Product Name: Pokemon Crystal Game Boy Socket Type & 30-day Operation Guarantee The cassette and label may have (screw deterioration, scratches on the cassette, scratches on the label, screw deterioration, scratches, stains, dirt, sunburn, stains, discoloration, fading, aging, etc.). This is a used item without a box, case, instruction manual, or attachments. We do not reuse images. The product in the description image will be delivered. Before shipping, we 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 malfunctions and incorrect contents, we have video recordings of the above work & packaging and shipping. If you would like to check the images during the above work, please send us a message. We will list it under "Buyer's Account Name Only" before shipping, so you can check it. Anonymous shipping. 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. This is a subjective inspection. Please refrain from purchasing if you are nervous or do not understand retro used items. Simple operation check has been performed on multiple genuine reproduction machines. We cannot guarantee operation on machines other than genuine reproduction machines. We offer a 30-day operation guarantee, but we do not guarantee operations other than starting and saving. In the unlikely event of a malfunction, we will ask to see images of your reproduction machine, 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 251013