xDuoo XQ-10 Mini Portable Earphone Headphone Amp

The built-in rechargeable battery will deliver up to 20 hours of playing time on one full charge. A 3.5mm audio input jack enables you to connect a range of devices such as smartphones, tablets and computers. The aluminum shielded casing will prevent any outside noise interference from disturbing your listening experience.
xDuoo XQ-10 is a compact, light and sleek headphone amplifier. Universal 3.5mm audio input jack... It has a built-in rechargeable battery which can deliver up to 20 hours of playback time, and can power high-impedance headphones (up to 300 ohm).
3.5mm audio input jack Universal for smartphones, tablets, computers, etc.
Drive various types of earphones Can power high-impedance headphones up to 300 ohm.
Battery runtime Built-in rechargeable battery delivers up to 20 hours of playback time.
Rail-to-rail amplifier chip from TI company Make it have largest dynamic scope and less distortion.
Aluminum-shielded casing Prevents external interference noise.
Specifications
Brand xDuoo
Model XQ-10
Audio Input 3.5mm jack
Battery Type built-in 4.2V Li-polymer battery
Output Power 100mW (32 ohm load)
Frequency Response10Hz-100kHz(±0.5dB)
Gain +6dB
THD+N 0.001% (1kHz)
S/N 104dB
Suitable Headphone Impedance 8-300 ohm
Playback Time About 20 hours
Charging Time About 2 hours
Product Weight 30g
Product Size 62.5 x 36 x 10 mm
Package Contents1 x xDuoo XQ-10 Portable Headphone Amp
1 x USB Cable
1 x 3.5mm Audio Cable
1 x User Manual