Anker Soundcore Liberty 4 NC White Unopened, brand new. The ones I was using broke, and I got a replacement through support, but I'm selling these because I'm switching to a different model. Package contents: Main unit, charging case, ear tips (5 types), USB-C & USB-A cable, safety manual, quick start guide, product certified with the Technical Regulations Conformity Mark (Frequency band: 2.40～2.48GHz) Fully wireless earphones Soundcore Liberty 4 NC A3947N21 White Wearing style: Separate left and right, completely independent Earphone/Headphone type: Canal type Earphone/Headphone features: Ultra Noise Cancelling 3.0, Noise Cancelling, Hi-Res, Microphone, External sound capture, Sound quality adjustment, Waterproof, splash-proof, Remote control Waterproof rating: IPX4 Connection method: Fully wireless TWS Hi-Res audio support: Hi-Res Audio Ear position: In-ear Impedance: 10 ohms Noise control: Active noise cancellation Wireless standard: Bluetooth 5.3 Bluetooth codecs: LDAC, AAC, SBC IP standard (waterproof standard): IPX4 Drive method: Dynamic type Driver size (mm): 11.0 mm Charging terminal: USB Type-C, Qi standard Charging time: 3.5 hours Weight (g): 10.0 g