Audio-Technica ATH-TWX7 Wireless Earphones Bluetooth Noise Canceling ATH-TWX7 BK ATH-CHX7 BK (Black) Brand: Audio-Technica Audio-Technica ATH-TWX7 Black ATH-TWX7 BK New, unused, and ready to buy! I received these as a gift, but I have no use for them, so I'm selling them. Please understand that these have been stored at home. Wireless earphones Bluetooth noise canceling, up to approximately 20 hours of playback, enhanced call quality, multi-point support, noise cancellation, hear-through, low latency mode, LDAC compatible, SBC AAC IPX4 water-resistant, fast charging, Qi wireless charging [Domestic Genuine Product] Black ATH-TWX7 BK Wireless earphones ATH-TWX7 (BK) Ash Black Brand: Audio-Technica Wearing style: Separate left and right, completely independent Earphone/Headphone type: Canal type Color: Black Wireless/Wired connection: Wireless Earphone/Headphone features: Noise canceling, Hi-Res, Microphone, External sound input, Sound quality adjustment, Waterproof, splash-proof, Remote control Sound pressure sensitivity (db): 100 db Wireless standard: Bluetooth Bluetooth codec: LDAC AAC SBC IP standard (waterproof standard): IPX4 Drive system: Dynamic type Driver size (mm): 5.8 mm Charging terminal: USB Type-C, Qi standard