The posted photos are illustrative in nature. In fact, the product can be distinguished externally, and this does not change the functionality and characteristics of the product.

Products with the "Behringer" brand have a 2-years warranty.
Products with the brand "PIP Audio" have a 2-years warranty.
Products with the brand "PIP Light" have a 2-years warranty.

Products with the brand "Turbosound" have a 2-years warranty.
Products with the brand "Topp Pro Professional Audio" have a 2-years warranty.
Products with the brand "Truss" have a 2-years warranty.

Wireless microphone ES-380LT

UHF – Vocal wireless microphon
Frequency response: 610-680MHz
Channels: 2 (fixed channels)
Response: 50Hz ~ 18KHz
RF production: High-performance integrated IC
RF bandwidth: 50MHz
S/N ratio: 105dB
Dynamic range: 100dB
Distortion: 1.0% @ 1KHz
Use temperature: -18 ~ 50°С
Working Range: 50 metres
Transmitter
Receive Mode: high performance integrated IC
Sensitivity: - 105dB
Output: Mixed / two balanced/ unbalanced output
Channels: 2
Transmitter
Transmitter RF: ± 5ppm 10KHz
Nominal frequency offset: 25KHz
Harmonics:-45 dB
Output power: ≤ 10 dB
Current consumption: 150mA @ 3V
Power supply: AA
Battery life: 6 hours (depending on battery type)