xDuoo XD10 Poke USB DAC Portable HiFi Headphone Amplifier

Features:
* Able to drive various types of earphones. Compatible from 8ohms (for low-impedance earbuds) to 300ohms (for professional-quality, high-impedance headphones).
* Built-in rechargeable 2200mAh battery ensures more than 8 hours working time (of SPDIF) or 20 hours (of LINE IN). Pocket size, easy to carry anywhere.
* AKM high class chip AK4490, supports native DSD, DXD and PCM signal. The real native DSD 32Bit / 384KHz sampling rate, and it takes all the mainstream audio format.
* High-quality OPA1662 low-pass filter, add LDO Low Dropout Linear Regulator, to reduce distortion and bottom noise, signal to noise ratio up to 112dB.
* XDuoo specially made a magic sticker, hidden in between the player and the headphone amplifier, thin and won't affect the operation and the look like a bundle band.
* Whole aluminum alloy shell, anodized and fine sandblasting both solid and significant texture, fine-tuned "Green" color, with excellent anti-interference ability.

Specifications:
Brand Name: xDuoo
Model Number: XD10
Screen: 0.91 inch OLED screen
Frequency Response: 20Hz-20kHz (±0.5dB)
Signal to Noise Ratio: 112dB at 1KHz (LINE OUT)
Supported Impedance: 8Ω-300Ω
Output Power: 250mW + 250mW at 32ohm
Gain: 0dB / +6dB
Bass Gain: 0dB / +6dB
Distortion: 0.0015% at 1KHz (AUX); 0.0015% at 1KHz (USB)
Input Port: USB port with converter for Walkman, for iOS Android Phone & Tablet, for computer; 3.5mm AUX IN
Output Port: 3.5mm PHONE jack, 3.5mm AUX OUT jack
Supported Sampling Frequency / Bit Rate:
When connect to a computer: Max. 32Bit / 384KHz
When connect to Android / iOS phone and Tablet: Max. 24Bit / 192KHz
Battery: 3.7V 2200mAh rechargeable Li-polymer battery
Charging Time: ≤3 hours (Fast 1A); ≤6 hours (Regular 500MA)
Battery life: ≥8 hours (SPDIF); ≥20hours (LINE IN)
Color: Green
Main Item Size: 10.0 * 5.5 * 1.6cm / 3.93 * 2.16 * 0.63in
Main Item Weight: 130g / 4.61oz
Package Size: 16.0 * 10.2 * 4.7cm / 6.30 * 4.01 * 1.85in
Package Weight: 386g / 13.64oz

Package List:
1 * Headphone Amplifier
1 * Sticker
1 * 3.5mm Recording Cable
1 * For SONY OTG Cable
1 * Type-C Cable
1 * Micro USB Cable
1 * PC USB Cable
1 * USB Charging Cable
1 * User Manual