Feature: 1. Small Portable: The walkie talkies has ultra thin body, comfortable grip, easy to carry, compact and portable. 2. USB Charging: With USB charging port, a variety of charging methods are convenient for charging, easy to use. 3. ABS Shell: The shell is made of ABS frosted hard material, which is durable, strong and anti oxidation. 4. Power Saving Mode: The machine automatically enters the power saving mode when it is not working. 5. Applicable Scene: Wide range of applications, can be used in factories, construction sites, hotels, KTV, etc. Specification: Item Type: Walkie Talkies Material: ABS Frequency Range: UHF400-470MHz Storage Channel: 16 Groups Working Voltage: DC 3.7V Frequency Stability: ±2.5ppm Working Temperature: 20℃-+50℃ Working Mode: Simulation Antenna Impedance: 50Ω Emission: Rf Power: 2w Maximum Deviation: ≤±5khz Spurious Emission: ≤-60db Transmission Current: ≤1000ma Pre Emphasis Characteristics: 6db Per Octave Receive: Sensitivity: <0.16uv (12db Sinad) Noise Suppression Sensitivity: <0.2uv Sound Power: ≥380mw Sound Distortion: <10% Involvement (w/n): ≥65db Receiver Current: ≤380ma Battery Type: 1 x Bl3 1500mah Lithium Battery (matching). Package List: 2 x Walkie Talkies2 x Battery2 x Back Clip2 x Lanyard1 x USB Cable1 x User Manual Note: 1. Do not place the product in an environment that is too corrosive, humid and high temperature!2. Please supply power according to the voltage used. Using other voltages may cause fire and product damage!