Unopened Shokz OpenFit Air, purchased on October 11th from the online shop. I will include the invoice required for warranty. It will be shipped within 24 hours via Takkyubin Compact. Price reduction requests will be declined. Brand: Shokz Wearing Style: Separate, Completely Independent Headphone Type: Ear Clip Color: Black Wireless/Wired Connection: Wireless Headphone Features: Microphone, Sound Quality Adjustment, Waterproof/Splashproof, Remote Control High-Frequency Response (kHz): 16 kHz Wireless Standard: Bluetooth Bluetooth Codec: AAC, SBC IP Rating (Waterproof Rating): IPX4 Driver Type: Dynamic Charging Port: USB Type-C Weight (g): 19.4 g #shokz #openfit #openfitair #shokz #openfit #air