Mode : Bluetooth connection
Interface Type: USB
Frequency response range: 60Hz-15KHz
Signal to noise ratio: ≥70db
Power supply: Built-in lithium battery
Channel: 2
Play time: 6 hours
Bluetooth protocol: 2.0
Function : Card
Mode of operation: button
Shell material: wood
Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
Ex: Shipping and return policies, size guides, and other common questions.