Asing 2.4G Wireless voice enhancement device

It consists of the following:
1) Transmitter with headset 1 pc
2) Receiver 1 pc
3) Link Cable 1 pc
4) USB Charging Cable 1 pc
5) User Manual 1 pc

SPECIFICATION
Frequency Response 20Hz - 20kHz
Reception Range ≤15m
Battery Rechargeable Lithium Battery
Working Voltage 2.8V - 5V
Working Current 30mA (Receiver); 60mA (Transmitter)
Transmitter Power 8dbm
Sensibility 89dbm
SNR 95db
Operation Time Max 8 Hours (Receiver)
Max 6 Hours (Transmitter)
Charging Time ~ 1 Hour
Dimension 43.5 x 56.5 x 16.5mm (Receiver)
50.2 x 60 x 16mm (Transmitter)
Weight 23g (Receiver)
34g (Transmitter)​