1. Rechargeable, with built-in 18650 rechargeable battery.2. Support USB flash disk and TF card (not included).3. 2 Bands Radio receiver: FM4. Max power: 3W5. Rate resistance: 4ohm6. Noise ratio: >=80dB7. Frequency effect: 100Hz-18KHz8. Input voltage: 5V DC9. Size: 85 * 60 * 38mm10. Package include:– 1 x Radio– 1 x 18650 rechargeable battery (installed inside the device)– 1 x Charging cable Specification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 15cm * 8cm * 4cm / 5.91inch * 3.15inch * 1.57inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm…