Feature: 1. High Performance: The frequency range of the wireless walkie talkie is UHF400‑470MHz, the power is ≤5W, the penetrating power is strong, stable performance. 2. 2 Way Radio: Handheld walkie talkie ensures you to stay connected with your partner, you can talk to your partner anytime, anywhere, very easy to use; no complicated operation is required. 3. Rechargeable: The wireless walkie talkie with 4800mAh large capacity battery, super long standby time, adopts Type C interface, faster charging, more durable and powerful power. 4. Waterproof: The shell of the wireless walky talky is waterproof and dustproof, which can cope with harsh environments such as sunlight and rain, and is suitable for outdoor use. 5. Application: Wireless 2 way radio is suitable for all walks of life, construction sites, security property, hotels, car 4S shops, cycling and self driving tours, etc. Specification: Item Type: Mini Walkie Talkie Material: ABS Usage: Suitable for all walks of life, construction sites, security property, hotels, car 4S shops, cycling and self driving tours, etc. Battery Type: 4800mAh Lithium Battery x 2 (Included) Frequency Range: UHF400-470MHz Memory Channel: 16 Groups Working Voltage: DC3.7V Frequency Stability: ±2.5ppm Working Temperature: -20℃-+50℃ Working Mode: Same Frequency Simplex Antenna Impedance: 50Ω Transmission Distance: ≤6km Power: ≤5W Transmission: Output Power: ≥2W Emission Current: ≤1400mA Maximum Frequency Deviation Broadband: ≤5KHz Stray Power: ≤7.5uW Adjacent Channel Power: ≤-65dB Signal To Noise Ratio (Broadband): ≥-45dB Sub Audio, Digital Sub Audio Bias Broadband: 0.7±0.1KHz Modulation Sensitivity: 8-12mV Receive: Sensitivity: -122dBm, 12dB SINAD Audio Power: ≥350mW Audio Distortion: <10% Intermodulation Broadband: ≥65dB Adjacent Channel Selectivity Broadband: ≥65dB Clutter Suppression: ≥65dB Receiving Current: ≤350mA Signal-To-Noise Ratio Broadband: ≥-45dB Sub Audio, Digital Sub Audio Bias (Broadband): 0.7±0.1KHz Modulation Sensitivity: 8-12mV. Package List: 2 x Mini Walkie Talkie2 x Battery2 x Charging Cable1 x Plug Note: 1. Do not place the product in an environment that is too humid and high temperature!2. Please charge according to the voltage used, using other voltages may cause fire and product damage!