The item is in good condition as it is unopened, including the outer box wrapping. "Sony Wireless Stereo Headset WF-SP900 Black (1 piece)" SONY (Sony) Model Number: WF-SP900(B) Color: Black ・Waterproof, so you can enjoy it even in the rain. ・Equipped with memory, so you can enjoy it on its own. ・Dustproof and waterproof & equipped with memory, so you can enjoy it underwater. *IP68 compatibility is for the main unit only. The charging case is not compatible. *The operating temperature range is -5°C to 35°C, so use in the bath is not recommended. ・Choose from two earbud attachment positions. ・Arc supporters available in 3 sizes... Series Name: Sony (SONY) Bluetooth Support: Yes Noise Canceling Function: No Wireless Function: Yes Wearing Type: In-ear type Wearing Style: For both ears Representative Color: Black Surround: No Microphone: Yes Folding Function: Not applicable Plug Shape: No plug Charging Time: 2.5 hours Release Date: 2018/10/27 Water-resistant/Waterproof Function: Yes Charging Terminal: USB Drive System (Headphones/Earphones): Balanced Armature Type Headphone Structure: Sealed HP Remote Control: Yes Bluetooth Version: 4 NFC Support: Yes Supported Codecs: AAC; SBC #SONY (Sony) #WF-SP900(B) #Smartphone/Home Appliances/Cameras #Audio Equipment #Headphones/Earphones