【Important: Please Read Before Purchasing】 This product is a bulk sale (7 units) of Sony WF-1000XM3. This is a junk item/parts sale, and no operational guarantee is provided. --- 【Confirmed Operational Status】 The following basic operations have been confirmed for all 7 units: ✅ Power on/off ✅ Bluetooth connection ✅ Audio output (both ears or one ear) 【Unconfirmed Items】 ⚠ Battery condition is unconfirmed: · Charging is possible, but battery life is not guaranteed. · Due to aging, significant battery drain is possible. · Please understand that the "battery is a junk item." · WF-1000XM3 main unit x 7 【Important Notes】 · This product is a junk item/parts sale. · Returns and refunds regarding the condition are not accepted. · Please carefully review the description and photos, and fully understand the condition before bidding. Please ask any questions via message before bidding. We look forward to bids from those who understand the condition.