The A1 status LED lights / flashes differently in different colors in response to power-on, charging, low battery, full battery, etc., allowing you to check its working status at a glance.
3-color status LED for
The A1's volume buttons are made of Alps microswitches for sensitive and reliable operation.
High-quality electronic volume control
Four EQ modes for maximum flexibility
The A1 provides Flat, Bass1, Bass2 and Bass3 EQ modes, switchable simply by briefly pressing the power button, allowing you to best adapt the sound output to your earphones and your ears; moreover the indicator light clearly indicates the present EQ mode.
Blue LED on continuously: Flat EQ
Blue LED flashing once every 2 seconds: Bass1 EQ
Blue LED flashing twice every 2 seconds: Bass2 EQ
Blue LED flashing thrice every 2 seconds: Bass3 EQ
Plug-and-play instant audio improvement
With higher power hi-fidelity output than smartphones, the A1 satisfies your need for more sound quality and quantity.
A new generation: exquisite design, improved operation
The A1 utilizes a sandblasted aluminum alloyed chassis for a durable modern appearance and comfortable handholding. A transparent removable back clip adapts the A1 to different usage scenarios in style.