I am selling this item because I accidentally purchased the wrong one. It is a brand new, unopened item that has just arrived. I purchased it at Bic Camera for 15,000 yen. Fully Wireless Earphones Soundcore Liberty 5 Midnight Black A3957N11 [Wireless (Separate Left and Right) / Noise Canceling Compatible / Bluetooth Compatible] Product Name: Anker Soundcore Liberty 5 Size: Approximately 5.7 × 5.7 × 2.8cm (Charging Case Size) Weight: Approximately 5.2g (Earphone, Single Ear) / Approximately 59g (Including Charging Case) Charging Time: Approximately 1 hour (Earphone Body) / Approximately 3 hours (Earphone Body + Charging Case) Dustproof/Waterproof Standard: IP55 (Earphone Body Only) Communication Method: Bluetooth 5.4 Package Contents: Main Unit, Charging Case, Ear Tips (6 Sizes), USB-C & USB-A Cable, Quick Start Guide & Safety Manual, Customer Support Evolved Ultra Noise Canceling 3.5 Evolved from Liberty 4's Ultra Noise Canceling 2.0 to Ultra Noise Canceling 3.5. It provides overwhelming silence and immersion in various situations, regardless of the environment. High-Resolution Audio Playback True to the Original Sound Supports high-quality codec LDAC, which can transmit three times the amount of information compared to conventional codecs*, faithfully reproducing the original sound of the music. Dolby Audio Compatible The first Soundcore fully wireless earphones to support Dolby Audio. It delivers powerful sound and provides an immersive music experience. Rich and Clear Mid-High Frequencies Equipped with a 9.2mm dynamic driver. It achieves rich and clear sound while suppressing distortion. Powerful Bass The first Soundcore fully wireless earphones to adopt a bass reflex structure. Two ducts inside enhance the resonance of the bass, realizing realistic and powerful bass. Improved External Sound Capture Performance The number of microphones has increased by one on each side from Liberty 4, allowing for clearer and more natural external sound capture. Multi-point Connection that can be used with LDAC and Dolby Audio Newly supports use with LDAC and Dolby Audio. High-quality multi-point connection is possible.