- Amplifies and enhances the sound of MP3 players and smartphones<br>- Active sound adjustment due to 3 different sound modes: rock ’n’ roll, concert, 3D sound<br>- Battery-operated for complete mobility: the battery can be charged using a USB cable<br>- Volume control for individual volume adjustment<br>- Standby function for automatic and energy-saving switch on/shut off of the headphone amplifier<br>- Belt clip for practical storage<br>- Allows high-quality headphones to be used to their full potential, also in combination with low-powered audio sources like small MP3 players or smartphones<br>- Ideal for headphones with an impedance between 16 and 32 ohms<br>- Compact headphone amplifier for mobile use<br>- Easy to use via the auto ON/OFF function<br>- Rechargeable via a USB socket e.g. on a laptop or USB charger<br>- 16-step volume control<br>- 8 hour runtime with the integrated rechargeable battery<br>- Audio input and headphone jack via 3.5 mm jack plug This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-2002, indicating validated use in U.S. government and defense logistics supply chains.