Rolton
Rolton K500 Bluetooth Audio Speaker Megaphone Voice Amplifier Support FM TF Recording(Red)
Rolton K500 Bluetooth Audio Speaker Megaphone Voice Amplifier Support FM TF Recording(Red)
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Origin: CN
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1. Bluetooth wireless transmission, more convenient to use
2. Thin and light, compact, 158 grams, thickness of 3.9 cm or so
3. High-fidelity microphone, double-layer PVC line, strong resistance to pulling, good shielding
4. Frequency intelligent amplifier system: in the radio state, the amplifier automatically turns into AB class anti-interference amplification mode; in other modes, the amplifier turns into D class power-saving mode
5. Support MP3 / WMA / WAV lossless format
6. Support 32GB TF card expansion / FM radio station radio (TF card not included)
7. One-touch recording and playback (please insert a wired microphone for recording)
8. Note: The model to achieve the wireless function, you need to buy a wireless microphone separately.
Parameters:
1. Basic functions: music / radio / microphone
2. Material process: UV process + ABS plastic
3. Rated power: 5W
4. Separation: 80dB
5. Distortion: 1% (3.7V, 1KHz, 1W)
6. Signal to noise ratio: 83dB
7. Working voltage: DC3.7V
8. Charging voltage: DC5V
9. Li-ion battery capacity: 2200mAH
10. Impedance: 2Ω
11. Display: LED display
12. Speaker: 2.5 inches x 1
13. Audio format: MP3 / WMA / WAV
14. Firmware upgrade: Yes
15. Machine volume: 85mmX39mX117mm
16. Working temperature: -5-40 degrees Celsius
Package includes:
1 x audio speaker
1 x wired headset microphone
1 x waistband
1 x usb data cable
1 x instruction manual
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