Feature:1. Clear Sound: Super strong signal, long range communication, stable transmission, high sensitivity, providing you with clear sound.2. High Quality Material: Walkie talkies are made of high quality ABS material, wear resistant, high strength, not easy to damage, sturdy and durable.3. Excellent Performance: Professional manufacturing, can withstand shock and vibration in harsh environments, have a long service time.4. Portable Design: Easy to carry, compact and exquisite, lightweight, you can put into your pocket or bag, more convenient and practical.5. Wide Application: Suitable for construction site, security property, hotel, car 4S shop, cycling self driving travel, etc, meet communication needs.Specification:Item Type: Mini Walkie TalkiesMaterial: ABSApplication: Suitable for all walks of life, construction site, security property, hotel, car 4S shop, cycling self driving travel, etcFrequency Range: UHF 400-470MHzStorage Channel: 16 groupsWorking Voltage: DC3.7VFrequency Stability: 2.5ppmOperating Temperature: -20 to +50Working Mode: Same frequency simplexAntenna Impedance: 50Transmission distance: 6kmPower: 5WTransmit: Output Power: 2WEmission Current: 1400mAMaximum Frequency Deviation (Broadband): 5KHzStray Power: 7.5uWAdjacent Channel Power: -65dBSignal to Noise Ratio (Broadband): -45dBSub Audio/Digital Sub Audio Bias (Broadband): 0.70.1KHzModulation Sensitivity: 8-12mVReceive: Sensitivity: -122dBm (12dB SINAD)Audio Power: 350mWAudio Distortion: <10%Intermodulation (Broadband): 65dBAdjacent Channel Selectivity (Broadband): 65dBClutter Suppression: 65dBReceiving Current: 350mASignal-to-noise Ratio (Broadband): -45dBSub Audio/Digital Sub audio Bias (Broadband): 0.70.1KHzModulation Sensitivity: 8-12mVPlug Voltage: AC100-240VBattery Type: 2 x 4800mAh lithium batteries (Built in).Package List:2 xMini Walkie Talkies2 x Charging Line2 x Battery1 x Power AdapterNote:1. Do not place the product in an environment with excessive corrosion, humidity and high temperature.2. Please charge according to the voltage in use. Using other voltages may cause fire and damage to the product.