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By certification 
Wireless 2.4G digital Tour Guide System/Audio Guide Equipment
Specifications:
2400-2483MHZ band for international free license
8-95 channels for multiple groups use the system at an area without interference.
Digitally Synthesized Frequencies
Powered by built-in rechargeable Lithium battery for long time continuous use.
Charging time: 4-6 hours
Battery life: 15-20 hours
Up to 150 meters (500ft) line-of-sight reception range
Belt-clip for hand-free operation
LCD display for battery status and channel
Hi-fi acoustic quality and high tone quality, CD sound quality
Each transmitter available for unlimited receivers
With MP3 Player function
Available for Simultaneous interpretation,8-channel used for 6-version simultaneous interpretation,95-channel available for more than 20 version interpretation.
Our detail products:
1.Transmitter: Belt-pack transmitter, Handheld transmitter
2.Receivers: Belt-pack receiver, Ear-hanging receiver (no need earpiece)
3.Accessories: Lapel microphone (or Head-worn microphone) for belt-pack transmitter, Single earpiece (or in-ear plug) for belt-pack receiver
4.Charging Case: 20-slot/28-slot/30-slot charging case for different receiver
Belt-pack transmitter charger: International adapter and cable
5. Carrying Case: 52-unit portable storage case can store 50pcs receivers and 2pcs transmitters.
Specifications:
2400-2483MHZ band for international free license
8-95 channels for multiple groups use the system at an area without interference.
Digitally Synthesized Frequencies
Powered by built-in rechargeable Lithium battery for long time continuous use.
Charging time: 4-6 hours
Battery life: 15-20 hours
Up to 150 meters (500ft) line-of-sight reception range
Belt-clip for hand-free operation
LCD display for battery status and channel
Hi-fi acoustic quality and high tone quality, CD sound quality
Each transmitter available for unlimited receivers
With MP3 Player function
Available for Simultaneous interpretation,8-channel used for 6-version simultaneous interpretation,95-channel available for more than 20 version interpretation.
Our detail products:
1.Transmitter: Belt-pack transmitter, Handheld transmitter
2.Receivers: Belt-pack receiver, Ear-hanging receiver (no need earpiece)
3.Accessories: Lapel microphone (or Head-worn microphone) for belt-pack transmitter, Single earpiece (or in-ear plug) for belt-pack receiver
4.Charging Case: 20-slot/28-slot/30-slot charging case for different receiver
Belt-pack transmitter charger: International adapter and cable
5. Carrying Case: 52-unit portable storage case can store 50pcs receivers and 2pcs transmitters.
