Disinfected and cleaned with alcohol. Everything in the photos is included. The playback time with noise canceling ON is approximately 4.8 hours with the main unit only, and approximately 19 hours including the case. However, there may be battery degradation over time. Please understand and acknowledge this before purchasing. Fully wireless in-ear headphones AH-C830NCW AHC830NCWBKEM Black Brand: DENON Wearing style: Separate left and right, completely independent Earphone/Headphone type: Canal type Color: Black Wireless/Wired connection: Wireless Earphone/Headphone features: Noise canceling, Microphone, External sound capture, Waterproof, Splash-proof, Remote control Wireless standard: Bluetooth Bluetooth version: Bluetooth 5.0 Bluetooth codecs: AAC, SBC IP standard (waterproof standard): IPX4 Drive method: Dynamic type Driver size (mm): 11.0 mm Charging port: USB Type-C Charging time: 2.0 hours Weight (g): 10.6 g