Main Features:
- Features built-in intelligent chip, Bluetooth 4.1, fuss-free Bluetooth pairing. Just simply tap and connect your Bluetooth device and enjoy high quality wireless digital audio streaming
- With USB DAC function, which guarantee the enjoyment of CD class sound quality
- Comes with built-in microphone, one key to answer, get the crystal vocal
- Real-time battery check, support for iOS, Android, check the headphone amplifier easily, avoid inconvenience due to power consumption
- Small and excellent is the target of a portable device. You are able to carry this lightweight and small headphone amp anywhere
- High-quality input and output connection seat to ensure the signal channel is smooth and durable
- Aluminum alloy shell and delicate surface make the great durability of XQ - 23, but also a stylish personal belonging for cool you
- Internal 180mAh Li-ion battery with a reasonable high-efficiency power supply design, which brings you 5 hours play time. When the battery is low, the LED will turn red. It only takes 1 hour and less for a full charge

Specifications:
- Brand: xDuoo
- Model: XQ - 23
- Material: aluminum alloy
- Bluetooth version: 4.1
- Bluetooth audio support format: SBC, MP3, ACC, aptX
- Maximum communication distance: 10m in sight
- Battery: 1 x 180mAh Li-ion battery (built-in)
- Play time: 5 hours
- Charge time: 1 hour and less
- Adaption impedance: 16 - 100 ohm
- Distortion: less than 0.01pct
- The signal-to-noise ratio: 95dB and more
- Output power: 32mW
- Power: DC 5V 1A