1. Built-in 1200 mAh sufficient amount of 18650 original battery2. 10W high power, diaphragm with frequency light3. Perform Bluetooth playback test at 80% volume, playback time: 3-4 hours, charging time: 3 hours (playing time varies with volume and audio content)4. Support Bluetooth connection/hands-free call/FM radio/USB, TF card, AUX audio playback/cyclic charging/TWS serial function5. Output power: 2*5W6. Speaker: 2 pcs, external magnetic 4 ohm 5W7. Signal to noise ratio: greater than or equal to 80dB8. Bluetooth standard: 5.0+EDR9. Working distance: greater than or equal to 10 meters10. Input voltage: less than or equal to DC5V (1A)11. Size: 23.1x6.7x9.1cm12. Weight: 469gSpecification: General Certificate CE Package Weight One Package Weight 0.56kgs / 1.23lb One Package Size 25cm * 7cm * 10cm / 9.84inch * 2.76inch * 3.94inch Qty per Carton 20 Carton Weight 12.60kgs / 27.78lb Carton Size 25cm * 35cm * 40cm / 9.84inch * 13.78inch * 15.75inch Loading Container 20GP: 761 cartons * 20 pcs = 15220 pcs40HQ: 1768 cartons * 20 pcs = 35360 pcs