◾Model Name Buds ACE2 ◾Bluetooth Version. V5.3 ◾Drivers. 13mm Bass ◾Boost Drivers ◾Microphone. Quad Mic ◾with AI ENC (Environmental Noise Cancellation) ◾Total Playback Time Up to 50 hours (with charging case) ◾Earbud Battery Life Up to 6 hours (single charge) ◾Fast Charging 10 minutes of charging = 120 minutes of playtime ◾Water Resistance. IPX5 Interface USB Type-C ◾Talk Range Up to. 10 meters ◾Battery Details: Each earbud has a 30mAh capacity, while the charging case houses a 450mAh battery. ◾The product comes with a manufacturer's warranty, and we also provide an additional 30-day store warranty."