Anker Soundcore Liberty Air 2 Pro. Color: White Purchased about 2 years ago, but only used a few times and stored for a long time. The product is in good condition with no noticeable scratches, and the operation is good. The included ear tips, etc., are unused. Thank you. Brand: Anker Soundcore (Anker) Wearing style: Separate left and right, completely independent Headphone type: Canal type Color: White 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 Low-frequency range (Hz): 20.0 Hz High-frequency range (kHz): 20.0 kHz Impedance (Ω): 16.0 Ω Wireless standard: Bluetooth Bluetooth version: Bluetooth 5.0 Bluetooth codec: AAC, SBC IP standard (waterproof standard): IPX4 Charging port: USB Type-C Charging time: 2.5 hours Weight (g): 62.0 g Other features: Noise canceling