Sell XDuoo Headphone Amplifier Mini Portable High Quality Sound Amplifier Sound Quality Improver Connec best price

XQ-10 is a mini portable headphone amplifier that Features fashionable appearance, big power and high quality voice export. Being able to be connected with PC, mobile phone and other musical players for improving the sound quality, this is right the unique match with your airplay you cannot miss out and will let you enjoy the higher quality sound than ever before anywhere possible. Features: Up to 20 hours of the battery service life once being fully charged. Rail-to-rail amplifier chip from TI company. To the largest extent improves the dynamic range, which allows for the largest dynamic scope and less distortion. Adopts aluminum-shielded case to prevent external interference noise from the audio device, the wireless signals, and other irrelevant noise. Fashionable mini appearance. Light and portable, easy to carry anywhere. Able to drive various types of earphones. How to use: Open the unit, connect audio device to the line in port of unit using the 3.5mm audio cable. Start playback on the connected audio device and connect the headphones to the unit. Now relax yourself and enjoy the HiFi sound quality. Specification:  Brand Name: Xduoo Color: Silver / Black ( Optional ) Power Source: DC4.2V built-in li-polymer rechargeable battery  Output power: 100mW(32Ω load)  Frequency response: 10Hz-100KHz(±0.5dB)  Gain: 6dB  THD+N: 0.001 %(1KHz)  S/N: 104dB  Suitable Headphone Impendence: 8Ω-300Ω  Charging time: ＜2H  Playback time:＞20H  Item size: 6.1 * 3.5 * 0.9cm / 2.4 * 1.4 * 0.35in ( L * W * H ) Item weight: 30g / 1.1oz Package size: 9.1 * 9 * 1.7cm / 3.6 * 3.5 * 0.67in ( L * W * H ) Package weight: 86g / 3.0oz Package List: 1* Headphone Amplifier 1* 3.5-3.5 Audio Cable  1* Users' Manual 1* USB Cable 1* Warranty Card