Feature:1. Noise Reduction: Adopt acoustic horn, INC noise reduction technology, effectively reduce environmental noise, stable and reliable.2. Excelletn Performance: Long range signal coverage, 5W anti interference, strong penetration, and intelligent anti eavesdropping protection.3. Portable: Professional manufacturing, exquisite workmanship, 16 channel 2 way radio is compact and lightweight, easy to carry, USB rechargeable.4. Premium Material: Mini walkie talkie is made of premium polycarbonate material, water resistant, high strength, sturdy and durable.5. Wide Application: Wireless walkie talkie is suitable for hotels, shopping malls, supermarkets, scenic areas, pavilions, competition venues, etc.Specification:Item Type: Wireless Walkie TalkieMaterial: PolycarbonateApplication: Suitable for hotels, shopping malls, supermarkets, scenic areas, pavilions, competition venuesFrequency Range: 400-470 MHZOperating Voltage: DC3.7VChannel Capacity: 16Antenna: Integrated antennaAntenna Impedance: 50Transmitter:Output Power: 5WMaximum Deviation: 5KHzResidual Radiation: <60dBCurrent: 1000mAReceiver:Sensitivity: <0.16V(12dB SINAD)Sensitivity To Noise: <0.2VIntermodulation: 50dBAudio Power: 300mWCurrent: 100mANoise Current: 20mABattery Type: 1000mAh lithium battery x1 (built in)Battery Model: KB-5C.Package List:1 xWireless Walkie Talkie1 x Battery1 x USB Cable1 x User ManualNote:1. Do not place the product in a corrosive, humid and high temperature environment!2. Please charge according to the voltage used. Other voltages may cause fire and product damage.