Feature: 1. Frequency Copy: 3 seconds to quickly de frequency, 1 key copy, automatically store the channel after copying, frequency hopping encryption function. 2. Quality Diaphragm: Acoustic diaphragm, excellent sound analysis, high power speakers, to ensure loud and clear sound quality, the sound can reach 50dB. 3. 2000mAh Lithium Battery: The digital walkie talkie can stand by for 5 days and can be used continuously for 20 hours, reducing the problem of frequent charging. 4. Professional Design: The shell is made of ABS hard material, with a fashionable matte appearance and ergonomic design, which is comfortable to hold. 5. Wide Application: Light weight, easy to carry, suitable for hotels, shopping malls, supermarkets, scenic exhibition halls, competition venues and more. Specification: Item Type: Walkie talkie Material: ABS, aluminum Working Current: 3.7V Frequency: 400-480MHz Power: ≤5W Sensitivity: 0.22μV Spurious: -43-10log Waterproof And Dustproof: IP54 grade Screen: None Channel: None Keyboard: None Charging Current: 5V1A Audio Interface: Standard K Battery Capacity: 2000mAh lithium battery x 1 (included) Plug Specification: AC100-250V Uses: Suitable for hotels, shopping malls, supermarkets, scenic exhibition halls, competition venues. Package List: 1 x Walkie Talkie1 x Back Clip1 x Lanyard1 x Battery1 x Charging Base Note: 1. Do not place the product in an environment that is too corrosive, humid and high temperature!2. Please charge according to the voltage used, using other voltages may cause fire and product damage!