B7 Wireless Bluetooth Headset Foldable Headphone Adjustable Earphones with Microphone(Black Blue) 23IanTag-Google Cases HDMI interface can output video

HDMI interface can output video resolution up to 4Kx2K UHD

Adjustable strap

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maximum adjustment: About 180cm (not include the soft pad)

B7 Wireless Bluetooth Headset Foldable Headphone Adjustable Earphones with Microphone(Black Blue) 23IanTag-Google Cases HDMI interface can output video1. Support all audio devices that have Bluetooth capability, such as, iOS Android Huawei Xiaomi cell phone, tablet, PC, laptop, computer etc. 2. Also can be used as wired headphone. 3. 5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth. 3. High sensitive Build in Microphone, multi directional speaker for virtual surround sound 4. Built in 400mAh battery, continue talk time up to 10 hours, standby time up to