Retevis RB615 Walkie Talkie 0.5W PMR446 16 Channels Radio VOX Handsfree Two Way Radio with Vibration Function Features: Small size and comfortable to hold. Adopts a sturdy plastic shell to make the product not easy to damage. VOX function, free your hands, help to finish your work efficiently.  Simple keypad design and LCD Screen make operation easier. Vibration function, reminds the user when receiving signals. Avoid missing information, suitable for noisy environments. Wireless cloning function, no need to write software to complete the pairing, bringing convenience ers. Specifications: Frequency: PMR446 Channel capacity: 16 Channel spacing: 12.5kHz Voltage: 3.7 V DC ±20% Working mode: Same  frequency simplex or different frequency simplex Antenna: Built-in antenna Frequency stability: ±2.5ppm Temperature: 20 ~ ＋60℃ Transmitter RF output power: 0.5W Modulation mode: F3E Maximum  frequency deviation: ≤2.5KHz Adjacent channel power: 60dB SNR ratio: -40dB Stray power: ≤7.5uW TX current: 1.0A Receiver RX sensitivity: 0.25μV 12dB SINAD Adjacent channel selectivity:(W/N)60dB Inter-modulation: 60dB Audio distortion: ≤10％ Audio output power: ≤1W 8Ω RX current: ≤350mA Standby current: ≤60mA Item Size: 119mm * 55mm * 23mm Item Weight: 93g  Package Size: 15 * 9 * 7cm / 5.9 * 3.5 * 2.8in Package Weight: 200g / 7.1oz Package List: 1 * RB615 Walkie Talkie 1 * Belt Clip 1 * Adapter 1 * Sling 1 * User manual 1 * Micro USB Cable