Car Round Bluetooth Display Color:Black we recommend using 1-2 times

we recommend using 1-2 times a day for 2-3 months for better results

Time synchronization: Supported

blue white black

1*haircut cape

This lower back support can withstand a weight of up to 100kgs/220lbs and will not deform easily even when folded

Car Round Bluetooth Display Color:Black we recommend using 1-2 timesBluetooth version 5. 0 Support USB 5V 1. 0A charging Support mobile app to send emoticon commands Support more than 17 dynamic expressions Support RGB 7 color (red, green, blue, yellow, green, purple, white) display Led resolution up to 512 lattice Support low voltage prompt detection Built in 4. 2v 1700mah rechargeable battery, low power mode standby for more than half a year, 70 times a day, can work for a month. The connection distance between