dodocool Portable UHF Wireless Microphone Mic System with 1 Receiver and 2 Handheld Microphones for Karaoke Business Meeting Speech Live Performance Tour Guiding

Feature:
Wireless handheld microphone system(1 Receiver + 2 Microphones) for karaoke, party, DJ, business meetings, speech or other outdoor and indoor activities.
High pick-up sensitivity and excellent tone quality make your speaking or singing more smooth and clear.
The mini receiver with built-in rechargeable Li-on battery supports working time up to 6 hours; the microphone powered by 2pcs AA batteries, can be used continuously up to 10 hours.
Wireless transmission distance is up to 50 meters; the system is designed with 25 selectable frequencies, press the "High/Low" button to change the frequency, the receiver will pair with transmitter frequency automatically.
Comes with a 6.35mm to 3.5mm plug adapter, two mic anti-wind foam caps and 2 rubber rings for your convenient use.

Specification:
System --
Modulation Mode: Digital Frequency Modulate
Carrier Frequency: UHF
Preset Frequencies: 25 (Auto Pairing)
Frequency Response: 75Hz-18kHz ± 3dB
Max. Deviation Range: ± 50kHz (with level limiting)
T.H.D.: <1.0%
S/N: >98dB
Working Range: Up to 50m
RF Carrier Stability: ± 0.005% (-10°C-50°C)

Wireless Receiver --
Power Supply: Built-in Li-on Rechargeable Battery (500mA)
Battery Life: Up to 6 hours
Recharging Time: About 1 hour (5V/1A)
Item Size: 9.4 * 3.1 * 2cm / 3.7 * 1.2 * 0.8in
Item Weight: 36g / 1.3oz

Handheld Microphone --
Sound Cartridge: Dynamic
Carrier Frequency Power: 30mw
Power Supply: 2pcs AA Batteries (not included)
Working Time: Up to 10 hours
Item Size: 25 * 3.8cm / 9.8 * 1.5in
Item Weight: 255g / 9oz

Package Size: 30.2 * 19.6 * 6.3cm / 11.9 * 7.7 * 2.5in
Package Weight: 807g / 28.5oz

Packing List:
2 * Handheld Microphone
1 * Receiver
1 * 6.35 to 3.5 Adapter
1 * Charging Cable
2 * Foam Cap
2 * Rubber Ring
1 * User Manual