Bose QuietComfort Ultra Earbuds 2 Black Purchased from Yamada Denki in early October 2025. The manufacturer's warranty is for one year. This is a new, unopened item. Please contact the manufacturer in case of initial defects. Discounts are not available. The packing slip will not be included as it contains personal information. *Please note that cancellations, returns, and refunds after payment are not possible to prevent exchanges and troubles. QCULTRAEB2ndBLK Black Brand: BOSE QuietComfort Wearing style: Separate left and right, completely independent Headphone type: Canal type Color: Black Wireless/Wired connection: Wireless Headphone features: Noise canceling, Microphone, External sound capture, Sound quality adjustment, Automatic power on function, Automatic power off function, Waterproof, splash-proof, Remote control Wireless standard: Bluetooth IP standard (waterproof standard): IPX4 Charging port: USB Type-C Charging time: 1.0 hour Weight (g): 7.7 g Please note that cancellations or returns after payment are not accepted to prevent troubles. Bose QuietComfort Ultra Earbuds (2nd generation) QCULTRAEB2ndBLK Black Brand: BOSE QuietComfort Wearing style: Separate left and right, completely independent Headphone type: Canal type Color: Black Wireless/Wired connection: Wireless Headphone features: Noise canceling, Microphone, External sound capture, Sound quality adjustment, Automatic power on function, Automatic power off function, Waterproof, splash-proof, Remote control Wireless standard: Bluetooth IP standard (waterproof standard): IPX4 Charging port: USB Type-C Charging time: 1.0 hour Weight (g): 7.7 g Bose QuietComfort Ultra Earbuds (2nd generation) QCULTRAEB2ndBLK Black Brand: BOSE QuietComfort Wearing style: Separate left and right, completely independent Headphone type: Canal type Color: Black Wireless/Wired connection: Wireless Headphone features: Noise canceling