FiiO RR13 Portable Retro FM Radio with Bluetooth Connectivity

Basic Specifications

Color: Retro Gold/Black/Red/Silver (Red/Retro Gold is expected to go on sale in September)

Size:Approx.43.4x85.6x16.4mm

Neight:approximately 76gAudio Reception Chip: Si4831Analog Sound Effect Chip: Custom FlIODDBAS100 Chipuning: FM1:87-108MHz; FM2:76-90MHz

Matching Impedance: 8~10002

Battery: 450mAh 10440Li-ion battery

Power: 5V-2A(Type-C)

Charging time: approximately 2hours

Microphone Mode

Headphone Output Amplitude: L+R 390mVrms + 390mVrmsSpeaker Output Amplitude:L+R ≥760mW +760mW (8Q,2.45Vrms)

THD+N:<0.25%

Signal-to-Noise Ratio: 45dB (A-weighted)

Noise-Limited Sensitivity:<15dBuV (S/N=30dB)

Battery Life: Headphone output >7 hours; Speaker output >4 hours

Headphone Amplifier Mode

Headphone Output Power 1:L+R > 65mW+65mW (16, THD+N< 1%, 1Vrms)Headphone Output Power 2:L+R ≥ 80mW + 80mW (3202, THD+N< 1%, 1.6Vrms)Speaker Output Power: L+R >75mW +75mW (802, THD+N< 1%, 780mVrms)

Dutput Impedance:<12

THD+N:<0.008%(1kHz/-0dBV@320)

Signal-to-Noise Ratio: >100dB (A-weighted)

Background Noise: <10uV (A-weighted)

Battery Life: Headphone output ≥18 hours; Speaker output 4 hours