Touch noise reduction stereo wireless $ 14.32 Functions: power display, call function, NFC function, voice control, music support, multi-point connection Channel: Stereo How to use: Earplug Whether single or binaural: bilateral stereo Color: cool black English version, fantasy white English version, cool black Chinese version, fantasy white Chinese version Bluetooth version 5.0 Earphone capacity 45mAh Battery capacity 450mAh transmission distance 15m Wireless frequency 2.4GHZ Charging voltage DC 5V Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
