Material: ABS + PC, earphone size: 3.3cm * 2cm; Seat charger size: 62 * 24 * 45.2MM; Battery: earphones 30mah, charging compartment 200mah, playback time: 4-5H; Standby time: 100H for one ear, 60H for the other ear; Fully charged time: about 1 hour for earphones and about 2 hours for charging compartment; Effective straight-line distance: 10 meters. Dual LED Digital Display & All-day Battery Life -- Dual LED battery display show the remaining juice of charging case by the number, so you can master the best time to charge. It Up to 60hrs of total listening time in turn, one earbud can be used for 5hrs on one charge. Hi-Fi Stereo & ENC Noise cancelling Mic -- Y32pro Bluetooth Earbuds 4-highly sensitive mic arrays and precise beam wave algorithm filter the ambient noise during the call, allowing you to focus on making the other party hear your voice clearly and provide a good call. Perfect for online courses and conferences. Comfortable Wearing & Touch Control -- Touch control: 2s Press briefly to active voice assistant. Press the left/right side twice for increase/decrease the volume. Press the left/right side 3 times to go back/forward. 5 touch for switch the game or music mode. Tap left and right twice to answer/end the call. Press shortly 2s to reject the call. Wide Compatibility -- Bluetooth earbuds Compatible with most Bluetooth-enabled devices including compatible with iPhone or Android smartphones, TV, computer, Laptop, smart watch etc. Earbuds born for activities, excellent choice for farmer, ranchers, drivers, warehouse workers, contractors, athletes and office workers.