Specification:
Brand: FiiO
Model: BTR13
Product Name: bluetooth Headphone Amplifier
bluetooth Processor: QCC5125 (Dual-core CPU + DSP)
DAC Chipset: Dual CS43131
bluetooth Version: 5.1
Supported bluetooth Codecs: AAC, SBC, aptX/aptXLL/aptXAdaptive/aptXHD, LDAC
USB DAC: Driver-free support for PCM 96kHz
Display: 0.96-inch Color IPS Screen (80x160)
Headphone Output: 3.5mm Single-ended + 4.4mm Balanced
Remote Control: Supports CTIA protocol for play/pause and volume control
Dimensions: Approx. 63.2 x 30 x 18.8 mm (including clip)
Weight: Approx. 28.6g
Charging Time: Up to 2 hours
Battery Life: Up to 8 hours
Output Power:
L+R≥100mW + 100mW (32Ω Single-ended, THD+N < 1%)
L+R≥10mW + 10mW (300Ω Single-ended, THD+N < 1%)
L+R≥220mW + 220mW (32Ω Balanced, THD+N < 1%)
L+R≥55mW + 55mW (300Ω Balanced, THD+N < 1%)
Frequency Response: 20Hz to 40kHz (-3dB)
Signal-to-Noise Ratio: ≥128dB (A-weighted)
Noise Floor: PO < 1μV (A-weighted); BAL < 1μV (A-weighted)
Output Impedance: <0.6Ω (32Ω load)
THD+N: <0.0018% (1kHz /-4dB @ 32Ω)

Features:
1. High-Resolution Audio: Supports high-fidelity wireless codecs like LDAC/aptX HD.
2. Dual DACs: Equipped with dual CS43131 DAC chips for superior audio performance.
3. Versatile Outputs: Offers both 3.5mm single-ended and 4.4mm balanced outputs for compatibility with various headphones.
4. User-Friendly Interface: Features a 0.96-inch color IPS screen for easy navigation and settings adjustment.
5. Efficient Battery: Provides up to 8 hours of continuous playback with a quick charge time of up to 2 hours.

Package Includes:
1x FiiO BTR13 Headphone Amplifier
1x Pre-applied Screen Protector
1x Dual Type-C Data Cable
1x Lanyard
1x Quick Start Guide