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 Talkie Material: PolycarbonateApplication: Suitable for hotels, shopping malls, supermarkets, scenic areas, pavilions, competition venuesFrequency Range: 400-470 MHZ Operating Voltage: DC3.7V Channel Capacity: 16 Antenna: Integrated antenna Antenna Impedance: 50Ω Transmitter: Output Power: 5W Maximum Deviation: ≤±5KHz Residual Radiation: <60dB Current: ≤1000mA Receiver: Sensitivity: <0.16μV(12dB SINAD) Sensitivity To Noise: <0.2μV Intermodulation: 50dB Audio Power: ≥300mW Current: ≤100mA Noise Current: 20mA Battery Type: 1000mAh lithium battery x1 (built in) Battery Model: KB-5C. Package List: 1 x Wireless Walkie Talkie1 x Battery1 x USB Cable1 x User Manual Note: 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.