1.Experience superior sound quality with the FiiO BTR13, a high-performance Bluetooth 5.1 USB Type-C DAC Headphone Amplifier.<br> 2.This compact device supports advanced audio codecs such as LDAC and aptX Adaptive, ensuring you receive the best possible wireless audio mission.<br> 3.Featuring dual headphone outputs (3.5mm and 4.4mm), the BTR13 caters to a wide range of audiophile headphones and provides flexibility in your audio setup.<br> 4.It also supports DSD256, delivering high-resolution audio playback for a truly immersive listening experience.<br> 5.Whether you're an audiophile looking for a portable amp or a casual listener seeking enhanced audio quality, the FiiO BTR13 is your perfect companion for on-the-go high-fidelity sound.<br> Bluetooth master control: QCC5125 (CPU+DSP dual-core architecture)<br> DAC chip: CS43131x2<br> Bluetooth version: 5.1<br> Bluetooth format: AAC/SBC/aptX/aptXLL/aptXAdaptive/aptXHD/LDAC<br> USB DAC: Driver-free support PCM96k<br> Charging time: less than equal 2 hours<br> Battery life: about 8 hours<br> Output power 1: L+R2100mW+100mW (32Ω single-ended, THD+N Less than 1%)<br> Output power 2: L+R210mW+10mW(3002 single-ended, THD+N Less than 1%)<br> Output power 3: L+R2220mW+220mW(320 balanced, THD+N Less than 1%)<br> Output power 4: L+R255mW+55mW(300Ω balanced, THD+N Less than 1%)<br> Frequency response: 20Hz-40kHz (-3dB)<br> Signal-to-noise ratio: 2128dB (A-weighted)<br> Noise floor: PO Less than 1uV (A-weighted); BAL Less than 1uV (A-weighted)<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br> Colour:Blue/Black<br> Material:ABS<br> Package Contents:<br> 1 x BTR13 host<br> 1 x dual Type-C data cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.