wireless microphone spec: Yes
Frequency response: 65Hz – 15kHzYes
Signal-to-noise (S/N) ratio: >60dBA
UHF frequency band: 657~662MHz (depends on SKU)
Transmitter transmitting power: <10mW
Power Supply: 100 – 240V – 50/60Hz
Standby power consumption: < 2 W with BT connecting; < 0.5 W without BT connecting
Battery charge time: <3.5 hrs
Battery play time: <6 hrs
Product Dimension (W x H x D): 489x 244.5 x 224 mm / 19.3 x 9.6 x 8.8 in
Packaging Dimension (W x H x D): 600 x 367 x 314 mm / 23.62 x 14.45x 12.36 in
Net weight: 7.5 kg / 16.5 lbs
Gross weight: 10.15 kg / 22.38 lbs