Technical Specifications
Function	Bluetooth, LINE-IN, Conversation , Live pronunciation
Colors	Black, White, Silver, Red, Blue
Size	60mm(Diameter)×57mm(Height)
Battery	550mAh
Charge Voltage	5V
Speaker	40mm, 4Ω, 3W
Frequency Response	60Hz-20KHz
SNR	≥80dB
Degree of distortion	≤0.5%
Box Control	Buttons
In the box	Device X12, USB Cable, 3.5 mm Audio input line, User Manual