BT01 Retro Bluetooth Wireless Mini Speaker Portable Radio Support TF Card(Blue) Filter-Audio Signal Switcher One Package Size 5cm *

One Package Size 5cm * 5cm * 0

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BT01 Retro Bluetooth Wireless Mini Speaker Portable Radio Support TF Card(Blue) Filter-Audio Signal Switcher One Package Size 5cm *1. Bluetooth version: 4. 1 2. Play format: MP3, WMA, WAV 3. Support format: TF card 4. Charging input: USB DC 5V 1 2A 5. Battery capacity: 1200 mA 6. Frequency response range: 100Hz 20KHz 7. Output power: 5W 8. Charging time: about 2 3h 9. Play time: about 6h 10. Expansion storage: 32GB 11. Effective distance: about 10 meters without barriers 12. LED indicator description: blue light flashes (to be connected), blue light is on (connected), red light