Sony Headphones WH-XB900 Black ANC EU

Sony WH-XB900N. Product type Headset. Wearing style Head-band. Recommended usage Calls/Music. Connectivity technology Wired & Wireless. Bluetooth profiles A2DP.AVRCP.HFP.HSP. Frequency band 2.4 - 2.4835 GHz. Ear coupling Circumaural. Headphone frequency 2 - 20000 Hz. Impedance 50 ?. Microphone type Built-in. Battery life (max) 300 h. Continuous audio playback time 35 h. Battery recharge time 7 h