Sony EXTRA BASS WH-XB900N retailer Retail value $249

Product Name: Sony EXTRA BASS WH-XB900N retailer Retail value $249
Sony EXTRA BASS WH-XB900N Retail value $249 NEW-opened box These were never used , it comes with a usb charger. It does not have the carrying pouch as the box states. XTRA BASS™ sound and Digital Noise Cancelling All-day listening with up to 30 hours of battery life One-touch listening with NFC and Bluetooth® wireless technology Hands-free calling FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION) 20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps) PASSIVE OPERATIONYes NFC Yes CORD LENGTH approx. 1.2m (47 1/4in.) (supplied headphone cable) EXTRA BASS™ for impressively deep, punchy sound Noise Cancelling technology Enjoy wireless freedom with NFC and Bluetooth® technology Long battery life for all-day power A charge of around 4 retailer hours keeps you powered all day with approximately 30 hours2 of play time, If your headphones are running low on power, a 10-minute quick charge will give you up to 60 minutes of play time.