B4 RGB Cartoon Stereo Headset Wireless Bluetooth Headphones(Cat) Tag-For Letv The software only supports windows

The software only supports windows system

40HQ: 1118 cartons * 40 pcs = 44720 pcs

Support resolutions up to 4Kx2K (UHD) including 4096x2160

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B4 RGB Cartoon Stereo Headset Wireless Bluetooth Headphones(Cat) Tag-For Letv The software only supports windows1. Bluetooth 5. 1: Simple pairing and stable connection. Let your kids enjoy wireless music without worrying about tangled cables. 2. Use the included audio cable to connect the earphones to your device, you can still enjoy the music, even if the earphones have no power, the bluetooth mode will be turned off when the audio cable is plugged in. 3. Wireless Hands Free Calling: Keep your kids on the phone with you when the headset is on, and is also an