A9
Specifications:
Material: ABS
Item size: 116 * 43 * 17mm
Frequency range: 2.4ghz-2.483ghz
Audio response range: 20Hz-20KHz
Transmission delay: less than 12.5ms
Transmission range: up to 50m (barrier free); 30m (through wall)
Power supply: built in 3.7V 600mah rechargeable lithium battery
Charging port: Micro USB
Charging time: 2 hours
Usage time: 4 hours
Package Included:
1 * transmitter
1 * receiver
1 * USB charging cable
1 * user manual
Notes:
1. Before using, please confirm the connection between the transmitter and the receiver (follow the instructions), and make sure that the transmitter is connected to the instrument and the receiver is connected to the loudspeaker, otherwise no sound will be transmitted.
2. It is recommended to charge for 1-2 hours before initial use. The factory is not fully charged when it leaves the factory.
3. If there is noise or intermittent connection, it may be due to the following reasons: insufficient battery power