[Best-in-class Sound Quality]: 10.4mm+6mm dynamic dual driver, LHDC5.0 Bluetooth CODEC and high resolution certification makes the product best in its sound quality with deeper bass, delicate treble and clear vocals; [Sliding Volume Control]: Slide on the surface of touch area of buds to adjust the volume.Sliding up increases the volume, while sliding down decreases the volume
[49dB Adaptive Nosie Cancellation]: Advanced noise-cancelling technology,coupled with a high-performance chip,elevates the depth of noise cancellation upto 49dB.This reduces noise and blocks out chaos and allows users to enjoy music immersively
[Dual Connection]:It can simulatenously connect to 2 devices such as Andriod/iOS/Windows smartphone, tablets or computers allowing for quick and seamless device switching
[Battery Life]:It has 10mins of Fast Charging that give 7 hours of Playback time with total music playback upto 44 hours with ANC Off||[IP55 rating]: With IP55 Dust and water resistance there is no fear of sweating or rain
Model: E509a

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