Opened only after purchasing new from Amazon on 2025/3/21, and has never been used. Wireless Earphones Air5 Pro Brand: SOUNDPEATS Wearing Style: Separate Left and Right, Completely Independent Earphone/Headphone Type: Canal Type Color: Black系 (Black-based) Wireless/Wired Connection: Wireless Earphone/Headphone Features: Noise Canceling, Hi-Res, Microphone, Ambient Sound Mode, Sound Quality Adjustment, Remote Control Wireless Standard: Bluetooth Bluetooth Codec: LDAC, AAC, SBC Drive System: Dynamic Type Driver Size (mm): 10.0 mm Charging Port: USB Type-C