High Capacity Charging Box: Up to 300mAh high capacity charging box can provide full power to the earphones for 2-6 hours (depends on different usage state) when be fully charged, nice storage case for earphones, mini size and lightweight, portable., TWS BT5.0 Design: Wireless dual ear stereo design, individual left and right channel separation. Both left and right earbud are BT 5.0 connected enable. Left and Right ear earphone solely (single track mode), you can also use them in pairs., Connection Pop Up Window Design: When you connect your earphone to your phone, its pop up window design will remind you the battery volume., Sensitive Touch Design: A.The left ear and the right ear touch the position, touch 1 to answer the call, the left earphone touches 2 times for volume decreases, the right earphone touches 3 times for volume increases. B. the left ear presses 3 times for next song, and the right clicks 3 times for last song. C. Long press 3s for siri function, long press 5 seconds for turning on/off. D. Shut down and boot up will be automatically connected again., Multifunctional: Supported voice tone design, battery volume display.,