Specifications:

Microphone

Microphone dimensions: 4.0mm

Directivity: Omnidirectional

Sensitivity: -42db±2db

Impedance: ≤2.2KΩ

Speaker

Speaker dimensions: Ø50mm

Output sound pressure: 100.0dB±3dB(1KHz)

Impedance: 32Ω+15%

Frequency response: 20Hz-20kHz

Rated power: 10 mW 

Net weight: 315g

Max power: 20 mW 

Electronic specifications

Wireless version: 2.4GHz ISM 

Transmitting power: 7dBm 

Receive sensitivity: -82dbm 

Transmit distance: ≥10M 

Time of endurance: 8-10H 

Charging time: 1.5-2hrs

Battery capacity: 1000mAH 

Max output power: ≤20 m W 

Virtual 7.1 chipset brand: SSS1517

Electric character SNR: ≥-75dB; THD ≤1% 

Working voltage: 3.7V 

3.5 voice frequency: 1.2m (accessories） 

Type-C charge cable: 1m (accessories）