(5.4 Bluetooth, dual-mode and dual-channel, Compatible with Bluetooth 2.0, 3.0, 4.0, 5.0, 5.1 and 5.3 specifications. 1 x Bluetooth 5.4 Adapter). Support protocols: HFP/ (hands-free phone/headset) A2DP/ AVRCP (stereo music) HID/HOGP (keyboard and mouse) /ACC.
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