Magnetic inductive charging Playing time & talk up to 3hrs each charge Charge case approximately 1hr - Earphone approximately 50m Premium deep bass sound Two-way stereo phone call Mini, hidden design - enjoy music discreetly Built-in microphone Great wireless range of approx. 10m One-step pairing mode - equipped with one-step pairing technology. Simply remove the left and right earphones from the charging box to automatically turn on and pair True stereo sound Bluetooth headphones provide balanced HD sound with latest Bluetooth JL5.0 technology and lossless HD rendering technology Compact Touch Control-Skip to the next track, pause and resume music playback, change volume, activate Siri / Google with a simple tap or long touch. All-day power-Twins earphones with 40mAh recharging battery can be played continuously for over 4 hours via Bluetooth and can be fully recharged about 4 times with a 300mAh charging box. There is also a screen that displays the remainin