Do you always feel that the default system volume is very low? Then try this volume booster! With the volume booster, you can increase the volume of ringtones, alarms, video, audio and all notifications. 🥇 dBooster - easy to use, amplifies the volume of the phone, and makes the phone sound louder! 【Sound Booster Function】 🔊 Adjust system volume 🔊 Extra boost volume, lounder than the system maximum volume 🔊 Music Player Amplifier, tweeters 🔊 Call volume boost, enhance sound 🔊 Bass Amplifi