Description Interface Type: Usb Connection Mode: 3.5Mm Audio Socket Frequency Sound Range: 60Hz-15 Khz Output Power: Usb 5V Snr: 70 Db Sound Channel: 2 Power Supply Mode: The External Battery Distribution Is Required Mode Of Operation: Usb Number Of Horns: 2 Bluetooth Protocol: No Effective Distance: 80 Battery Capacity: No Play Duration: 8 Hours Case Material: Plastic Box Body Material: Plastic Appearance Dimensions: 78 * 80 * 125 Product Weight: 0.3 Function: Voice Prompt, Call Function
