rtl8763bfr 5.0+edr k10 for android iphone bt tws bluetooth headset for huawei glory note10 iphone x sound plus , for huawei ` losei

bluetooth version: rtl8763bfr 5.0+edr support protocol: hsp/hfp/a2dp/avrcp product size: 23.5*20*22mm call time: about 4 hours play time: about 4 hours net weight: 4.5g*2 charging box size: 68*68*30mm charging box weight: 35g battery capacity: 40mah for headphones, 500mah for charging box function: touch, call answering, call rejection, hang up call, music play/pause, hands-call, bluetooth connection, voice prompt, power display, call report, volume adjustment , up and down switching