*Transmission distance: 10m
*Speaker:Φ50mm
*Impedance:16Ω ±15%
*Frequency Response: 20Hz-20 KHz
*Directivity:noise canceling
*Sensitivity:-42DB±3DB
Wireless Headset
H507 Wireless Headset-Tri-Mode
★Color: Full Black
★Material: ABS+Metal
★Pluggable microphone
★Ear Pad: PU Leather
★White Magnetic Horn
★Light: RGB light
★Chipset: BK
★Battery: Built-in 1000mah Lithium battery
★Charging port: TYPE-C
★Charging time: 2~3H
★Working time: About 40H