Color:4 Pack This Walkie Talkie is great for indoor and outdoor group connection

They help you stay in contact with your group or family, helps out in areas without mobile reception.While in open fields, hiking, fishing kayaking etc

They help you connect to your partners in realtime

Features: 1.Frequency: 400-470MHz 2.16 channels 3.1500mAh Li-ion battery 4.50 CTCSS/105 CDCSS 6.VOX Function(Need to use VOX earpieces,our product have not include the VOX earpieces.Please kindly note.) 7.Voice Prompt 8.PC Programming 9.Emergency Alarm (You can turn it on using Channel 11) 10.Intelligent Charging 11.Battery Save 12.Low Voltage Alert 13.Time-out Timer 14.Flash Light Specifications: Frequency Range : UHF 400-470MHz RF Rated Power : ≤ 5W Channel Capacity : 16 Channel Spacing : 25KHz Operated Voltage : 3.7 V Battery : 1500MAh Li-ion Frequency Stability :±2.5ppm Operated Temperature : -30°c-+60°c Antenna Impedance : 50Ω Dimensions (L×W×H) (with battery, without antenna) : 60x33x115mm Communication Range : 1-3 km Be sure the Power setting is on HIGH if you're having problems with distance

You do this with the cable, computer & software

Transmitter: RF Power Output : 3W Modulation : F3E Spurious Emission : ≤65dB Audio Distortion : ≤5% Transmitting Current : ≤1.3A Receiver: Sensitivity (12dB SINAD) : ≤0.20 uV Selectivity :55dB/50dB Intermediation :≥65dB Adjacent Channel Selectivity : ≥60dB Spurious Response : ≥60dB Audio Power Output : 1000mW Package Includes: 4 X Portable radio 4 X Antenna 4 X Li-ion battery pack 4 x Charger(USB Cable Version) 4 X Belt clip 4 X User's manual 4 x Headphone