① Bluetooth version 5.0 ② Support USB 5V / 1.0A charging ③ Support mobile app to send emoticon commands ④ Support more than 17 dynamic expressions ⑤ Support RGB 7 color (red, green, blue, yellow, green, purple, white) display ⑥ Led resolution up to 512 lattice ⑦ Support low voltage prompt detection ⑧ 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. ⑨ The connection distance between mobile phone and equipment is more than 6 meters.
