The A30 does not have its own battery and draws the required power from the device to which it is connected.

Its consumption is very low, averaging 10 mA, and when we disconnect the headphone, it automatically goes into standby mode.

It has a cylindrical shape with a length of 10 cm including the cable and weighs approximately 11 g.

It is made of good quality aluminum and is reinforced with thick rubber at the sensitive points where the cable connects to the body and the plug.

It is slightly larger in size and volume than other similar products because the A30 has three level buttons with which we can control the volume and playback from the device itself without using the mobile phone.

With a high-quality built-in Professional DAC chip, it can convert high-quality digital sound from the mobile phone into analog sound via a 3.5 mm output to headphones, enjoying unparalleled portable hi-fi sound, longer playback with ultra-low power absorption and dynamic multi-mode power control when using smartphones.

Hi-Res Audio Output & Powerful Noise Reduction - Up to 32 bit / 384 kHz lossless output improves the original sound quality of mobile phones. The super noise reduction maintains high sound quality. Hi-Fi Sound - Headphone amplifier supports headphones with a complex impedance of 16-600Ω, stereo bandwidth resistance of 20Hz - 50kHz signal-to-noise ratio > 120dB fully filters noise and enjoys high-quality sound. Plug-and-Play & Ultra-Portable - No drive required, no charging required. The ultra-slim design allows you to connect with headphones and smartphones anytime, anywhere. (Weight 11.1g). Wide compatibility - The device supports most iPhone or above devices.