Open the pop-up window, bluetooth 5.0, binaural call, automatic pairing, tws, large battery, long standby, mini earphones, anti-sweat sports headphones, high-definition call, left and right channel separation, stereo surround bass, lightweight mini, can be renamed, positioning specification general earphones type: earphone materials: abs,silicone mainly compatible with: iphone functions: english voice prompt,phone call answering,song switch,support music,voice control bluetooth version: v5.0 bluetooth protocol: a2dp,apt-x,avrcp,hfp,hsp battery capacity (mah): earphone 30mah; charging box 320mah charging time: headset 30 minutes; charging box 80 minutes talking time: ≥4h