Operation has been confirmed with an external AA battery box, and there is no problem using gum batteries. Play/Stop/Fast forward/Rewind/Auto-reverse has been tested over a long period of time. Playback speed is stable and normal for both sides A and B, and the speed difference has been measured and confirmed to be within the allowable range. I can’t feel any vibration or wow and flutter on both sides A and B. Control function tested Each operation button on the main unit has been tested. Operation of genuine remote control and sound output of earphones are also good without problems Equipped with a 3.5mm standard earphone jack, you can enjoy using commercially available earphones. Please do not use tapes that have deteriorated over time for more than 90 minutes, or use inferior tapes made overseas. [Maintenance details] Body and accessories cleaning, overall clean finish Replacing high-quality, high-durability drive belts (no inferior general-purpose belts are used) pinch roller cleaning Capstan shaft cleaning Repainting of gear part grease Head cleaning, degaussing, azimuth adjustment Improved conduction of each contact part Victor 3KHz 0dB TEST TAPE for speed adjustment and wow and flutter measurement -etc. The thing in the photograph is all Since gum batteries are consumables, there is no guarantee even if they are included. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior. This item is in the category “Consumer Electronics\Portable Audio & Headphones\Personal Cassette Players”. The seller is “naoakito” and is located in this country: JP. This item can be shipped worldwide., Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Cape Verde Islands, Chad, Democratic Republic of the Congo, Republic of the Congo, Côte d’Ivoire (Ivory Coast), Djibouti, Egypt, Eritrea, Ethiopia, Gabon Republic, Gambia, Ghana, Guinea, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Reunion, Rwanda, Senegal, Seychelles, South Africa, Swaziland, Tanzania, Togo, Tunisia, Uganda, Zambia, Zimbabwe, Afghanistan, Armenia, Azerbaijan Republic, Georgia, Kazakhstan, Kyrgyzstan, Uzbekistan, Bangladesh, Bhutan, China, South Korea, Maldives, Nepal, Pakistan, Sri Lanka, Mongolia, Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize, British Virgin Islands, Cayman Islands, Costa Rica, Dominica, Dominican Republic, El Salvador, Grenada, Guadeloupe, Guatemala, Haiti, Honduras, Jamaica, Martinique, Montserrat, Nicaragua, Panama, Saint Kitts-Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, Turks and Caicos Islands, Puerto Rico, Virgin Islands (U.S.), Albania, Andorra, Bosnia and Herzegovina, Gibraltar, Iceland, Macedonia, Moldova, Montenegro, Serbia, Austria, Czech Republic, Denmark, Finland, Greece, Hungary, Ireland, Liechtenstein, Luxembourg, Monaco, Poland, Portugal, Slovakia, Svalbard and Jan Mayen, Sweden, Switzerland, Belgium, France, Germany, Italy, Netherlands, San Marino, Spain, United Kingdom, Vatican City State, Bulgaria, Republic of Croatia, Estonia, Latvia, Lithuania, Malta, Romania, Slovenia, Cyprus, Guernsey, Jersey, Norway, Bahrain, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Iraq, United Arab Emirates, Israel, Turkey, Yemen, Bermuda, Canada, Greenland, Mexico, American Samoa, French Polynesia, Guam, Micronesia, Palau, Wallis and Futuna, Australia, Cook Islands, Fiji, Kiribati, Nauru, New Caledonia, New Zealand, Niue, Papua New Guinea, Tonga, Tuvalu, Vanuatu, Marshall Islands, Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Falkland Islands (Islas Malvinas), French Guiana, Guyana, Paraguay, Peru, Suriname, Venezuela, Brunei Darussalam, Cambodia, Laos, Hong Kong, Indonesia, Macau, Malaysia, Philippines, Singapore, Taiwan, Thailand, Vietnam, Central African Republic, Comoros, Equatorial Guinea, Guinea-Bissau, Mayotte, Saint Helena, Sierra Leone, Somalia, Western Sahara.

• Brand: Sony
• Playable Media Format: Cassette Tape
• Type: Portable Cassette Player
• Model: WM-EX631
• Features: Headphone Jack
• Product Line: Walkman