1、1000mAh large battery capacity can satisfy electricity needs, long standby time 2、Smooth surface gives comfortable feel to hold. Simple keypad design and LCD Screen make operation easier. 3、VOX function, free your hands, help to finish your work efficiently. 4、Mini body, Ultra thin, amazingly light. 5、PMR446 License-free 16 Channel. Keyboard Lockout. Features: 1000mAh large battery capacity can satisfy electricity needs, long standby time Smooth surface gives comfortable feel to hold. Simple keypad design and LCD Screen make operation easier. VOX function, free your hands, help to finish your work efficiently. Mini body, Ultra thin, amazingly light. PMR446 License-free 16 Channel. Keyboard Lockout. Specification: Frequency Range: PMR446 Supply Power: DC3.7V（polymer battery） Memory Channel: 16 Antenna Configuration: Internal antenna Work Mode: Co/Differ-frequency, Simplex Communication Working temperature range: -30℃-+60℃ TRANSMITTER 0utput Power: ≤2W Modulation Mode: FM（F3E） Max.Frequency Deviation: ≤5KHz Sparious Radiation: ≤7.5mW Preemphasis Character:Per Octave 6Db Emission Current: ≤1000mA RECEIVER Sensitivity: <0.16μV（12Db SINAD） Audio Power: ≥300mW Audio Dostortion: <5% Intermodulation Interference Resistance: ≥60dB Receiviing Current: ≤300Ma Standby Current: ≤20mA Dimension: 103*40*23.8mm Package Size: 15 * 14 * 4cm / 5.9 * 5.5 * 1.6in Package Weight: 200g / 7.1oz Package List: 1* RT665 Radio 1* Type-C USB Cable 1* Adapter 1* User Manual 1* Sling 1* RT665 Radio 1* Type-C USB Cable 1* Adapter 1* User Manual 1* Sling