Pioneer SE-L20A open-air headphones, with original box. Operation has not been confirmed. Therefore, please purchase as a junk item. The following information was found by searching with AI mode from Google Lens. 【Pioneer SE-L20A Detailed Information】 Product Overview: On-ear headphones manufactured in the 1970s. Main Specifications: Type: Open-air dynamic. Driver: 38mm cone type (polyester). Frequency Response: 20Hz〜20kHz. Impedance: 8Ω. Weight: 205g. Connection: 6.35 mm (1/4 inch) standard plug. Features: Adjustable headband, stereo, made in Japan. Market and Price: Currently traded as vintage items on online marketplaces such as eBay, with examples of good condition items with confirmed operation selling for around $80 (approximately 12,500 yen). Rare items with the original box may be traded at a higher price. - Brand: Pioneer - Model: SE-L20A - Type: Open-air - Cable Length: Standard length - Accessories: Original box Thank you for viewing.