HOPESTAR P20 Pro Waterproof Wireless Bluetooth Speaker(Grey) Type-IC Chipset GSM900 / DCS1800 MHz repeater

GSM900 / DCS1800 MHz repeater for mobile phone signal boosting

Frequency: 20Hz-20KHz

VivoBook15 x

USB power audio jack board replacement for MacBook Air 13 A1466 (2013-2018) 820-3455-A 923-0439

External dual antennas

HOPESTAR P20 Pro Waterproof Wireless Bluetooth Speaker(Grey) Type-IC Chipset GSM900 / DCS1800 MHz repeater1. Output power: 10W*2 2. External magnetic speaker: 4 ohms 10W*2 3. Input sensitivity: 400mV 4. Separation: greater than or equal to 90dB 5. Signal to noise ratio: greater than or equal to 80dB 6. Working voltage: DC 5V 7. Battery 18650: 3000mAh 8. Battery working time: 4 6H 9. Speaker size: 66mm*2 10. Diaphragm size: 70mm*2 11. Jerrys Scheme: Version 5. 1 12. Master: AC6966B4 13. IPX6 waterproof function 14. When the two sets are interconnected, the