Noise Cancelling Digital Display Bluetooth Headphones

FEATURES ♚【LED Power Display and 30H Playback】Dual digital LED power display outside of the case is to show the power level for charging case and earbuds. When charging for the case, the LED light will start to flash from 1 to 100. When you put earbuds into the case, then earbuds will start to be charged. Fully charged charging case can provide 4-5 times full charging for both earbuds, each earbud can last 4-5H on single charging. So, you can enjoy 30H music time in total via using in turn. ♚【ANC+ENC Double Noise reduction】Active Noise Cancellation ( Hybrid 3 layer Active Noise Cancellation ) : 1. Outward-facing microphone detects external sounds and counter with equal anti-noise to reduce the environmental noise up to more than 30dB. 2. Inward-facing microphone listens inside ear canal to pick up internal sounds and produce anti-noise again to twice cancel the left noise. 3. Ear caps prevent 90% noise going to ear canal. Environmental Noise Cancellation:Smart call noise reduct