F2 Mini Wireless Computer Card Subwoofer Bluetooth Speaker Parameter 1. Product features: Bluetooth playback, hands-free calling, TF card playback, U disk playback, AUX playback 2. Bluetooth version: 5.0 3. Diaphragm specifications: 50x65 mm 4. Frequency response: 60Hz-16KHz 5. Charging parameters: 5V 0.7A 6. Battery capacity: 2000mAh Description 1. Material technology: ABS 2. Long battery life with large capacity battery, up to 4-6 hours of playing time 3. High power and strong bass 4. Can play 3.5mm cable 5. Built-in high-definition noise reduction microphone for hands-free calls 6. Plug and play, one-key switching of multiple modes 7. Product size: 230x60x80 mm 8. Product net weight: 540 grams Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia