NewRixing NR-4500 Portable Wireless Bluetooth Stereo Speaker Support TWS / FM Function Speaker (Green) Tag-LCD Screen Can be fixed on a

Can be fixed on a 1-4 cm panel

Power jack replacement for Macbook Pro Retina 13 inch A1708

through which people could recognize the position by listening to the music

40HQ: 2154 cartons * 20 pcs = 43080 pcs

Bluetooth chip

NewRixing NR-4500 Portable Wireless Bluetooth Stereo Speaker Support TWS / FM Function Speaker (Green) Tag-LCD Screen Can be fixed on a1. With FM function and portable handle 2. TWS series technology 3. Built in 2000 mAh full 18650 original battery 4. Speaker: 2, external magnetic 4?? 5W, 45mm 5. Signal to noise ratio: more than or equal to 80dB 6. Bluetooth standard: 5. 0+EDR 7. Working distance: more than or equal to 10 meters 8. Input voltage: less than or equal to DC5V (1A) 9. Battery: Built in lithium battery 2000 mAh Specification: General Certificate RED Package Weight One