1. Output power: 10W*22. External magnetic speaker: 4 ohms 10W*23. Input sensitivity: 400mV4. Separation: greater than or equal to 90dB5. Signal to noise ratio: greater than or equal to 80dB6. Working voltage: DC 5V7. Battery 18650: 3000mAh8. Battery working time: 4-6H9. Speaker size: 66mm*210. Diaphragm size: 70mm*211. Jerrys Scheme: Version 5.112. Master: AC6966B413. IPX6 waterproof function14. When the two sets are interconnected, the left and right channels are automatically assigned15. Silicone material, comfortable to touch16. Comes with lights that change with the rhythm of the music17. Hand rope design, easy to carry, can be hung on the backpack18. Dimensions: 100x100x220mm19. Weight: 1138gSpecification: Package Weight One Package Weight 1.24kgs / 2.73lb One Package Size 26cm * 13cm * 13cm / 10.24inch * 5.12inch * 5.12inch Qty per Carton 10 Carton Weight 12.93kgs / 28.51lb Carton Size 26cm * 39cm * 52cm / 10.24inch * 15.35inch * 20.47inch Loading Container 20GP: 505 cartons * 10 pcs = 5050 pcs40HQ: 1174 cartons * 10 pcs = 11740 pcs