Note: This Amplifier is not compatiable with Apple headphone, it will compatible with other headphone, even if you use App smartphone.
The device is with long standby time, automatically loading detection function, there is no power button.
When the headset plugged in, the device will power up then the system automatically boots.
When the headset pulled out, the device will automatically shut off.
If the internal battery voltage is less than 2.9V, the protection of system will automatically shut off the power supply.
Product weight: 20 grams,
packaging weight: 60 grams
Battery capacity: 120 mA
Output power: 300mw * 2 / 16Ω
Frequency response: 2-27KHZ
Dynamic range: 90DB
Input impedance: 32Ω
Output impedance: ≤ 200Ω
Operating temperature: -40 ℃ ~ 60 ℃
1 x headphone amplifier
1 x USB2.0 charging and data dual-purpose power cord
1 × 3.5 to 2.5 audio cable
1 × user manual
High Compatibility: Suitable for headphones range from 16 to 150 ohms, gain switch for matching output to headphone power needs.
Excellent Sound Quality: Highly enhance sound quality though expertly design and calibrate.
Decent and Smart: Glamorous art deco design and excellent engineering design beautify and enchant the device.
Aluminum Chassis: Aeronautic aluminum body make it light, portable and durable.
Easy To Use: Automatically boot or shut off by detecting the headphone, no power key required.