Model Number: BJ-M21
Brand Name: OEM/ODM
Key Specifications/Special Features:
Main functions:1. 2.4-inch high resolution TFT screen2. Solution: Rock-chip Nano D3. ESS9018 HD Op-amp chip4. Supports full lossless format music files5. Supports 128GB external storage6. Synchronous lyrics display7. Music formats: WAV, APE, FLAC, ALAC, AAC, OGG, MP3, WMASpecifications:
1. Screen: 2.4TFT 320x240
2. Built-in memory: 16GB
3. External memory: micro SD memory card slot, support max 256GB
Output power: headphone 32mW x 2
4. Frequency: 17Hz-20kHz
5. Distortion: <0.04% (1kHz)
6. SNR: ≧ 102dB
7. Degree of separation: headphone >68dB (1kHz)
8. Microphone max output level: 700mV
9. Volume control: 100 steps
10. Max power consumption: 400mW
11. USB port AC, charge 1 (micro-USB)
12. 3.5mm earphone output: 1 (impedance 16-100Ω)