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Environmental Noise Cancellation 4 Mic Call Noise Cancelling Earbud: Bluetooth earbud built-in 4 microphones and ENC technology, deliver up to 3 times clearer calls than other true wireless earbud, reproducing your call vividly. Dzstorm wireless earbud featuring 13mm diameter speaker with high resolution decoder built-in and advanced audio coding technology to deliver extraordinary Hi-fi sound with low latency, crystal clear treble.
LED Power Display and 25H Playback: Dual digital LED power display outside of the case is to show the power level for charging case and ear bud. When charging for the case, the LED light will start to flash from 1 to 100. When you put earphones into the case, then earbud will start to be charged. 300mAh charging case can provide 4 times full charging for both Bluetooth earphones, each ear bud can last 5H on single charging. So, you can enjoy 25H music time in total via using in turn.