Specifications:

• Working time: About 18 hours
• Weight: 70g
• Use: Tour Guide System
• Transducer: Dynamic Microphone
• Style: Lavalier Microphone
• Size: 53.5 x 19.2 x 74.2mm
• Set Type: Transmitter Sets
• Power supply: Built-in 1500mAh lithium battery
• Polar Patterns: Cardioid
• Package: Yes
• Origin: CN(Origin)
• Model Number: TT122
• Input voltage: 5V
• Frequency range: 2400-2480MHz
• Communication: Wireless
• Channel: 36 channels
• Certification: CE
• Brand Name: retekess