Model Number: JH-834-2 Brand Name: Nier Key Specifications/Special Features: Driver can have clear conversation among the person who ridesVoltage is supplied: UM-4 (GrAAA) x 2 festivalsOutput: 1WFrequency range: 20 to 20,000Hz ±3dBExport: 320 Hm, 1.0W, 84dB ±3dB

Controller size: 63 x 56 x 19mm

Weight: 120g (controller without battery)

Usage temperature: -20 to 50°C

Microphone and speaker is for motorcycle use, it can fix on the helmet, for full face, and open face

Operate installations:

• Volume for driver
• Volume for passenger
• Driver's headset entry
• Audio output LED power on/off

Assembly:

• Pay attention to the installation of the battery
• According to correct instruct putting battery of the controller
• As it shows LED gives out light for a long time or sound quality become poor, you need to change the battery
• Take out battery when the item is not in use It may need small instruments