Ft-05 Wireless Retro Bluetooth Speaker Gramophone Mini Player 1. Bluetooth version: 4.1 2. Connection method: Bluetooth connection (name YIDO) 3. Charging input: DC 5V1-2A 4. Interface type: USB 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. Extended storage: 32GB (TF card) 11. Effective distance: about 10 meters 12. Play format: MP3, WMA, WAV 13. Packing list: audio x1, manual x1, charging cable x1 14. Shell material: plastic 15. Appearance size: about 9.5x6x7cm 16. Weight: about 340 grams Features: 1. Unique shape, retro appearance, meticulous workmanship, beautiful and comfortable 2. Small size, light and portable 3. The use of high-gloss surface technology, clear wood grain, piano paint texture 4. Full-range speakers, high-mid-low three-band coverage, help strong sound quality, and retain the original sound quality 5. Using Bluetooth 4.1 module, stable and fast, multiple compatibility, barrier-free effective distance of about 10 meters 6. Built-in high-capacity polymer battery, convenient charging, long battery life