Smart Bluetooth Speaker Color:Black Note: Beep mode can’t adjust

Note: Beep mode can’t adjust level intensity

size：55*52*25cm

Sleep time：15S

You can customize different ringtones for different recipients

The transmitter is installed outside the door

Smart Bluetooth Speaker Color:Black Note: Beep mode can’t adjustContinuous playback time: 6 hours Sensitivity: (Induced Voltage) 40mv Continuous playback time: 6 hours Battery capacity: 750mA Channel: Mono Speaker output power: 3W Input power: DC 5V 500mA Signal to noise ratio: 80dB Power plug specifications: MICRO USB Distortion: <3% Maximum volume: 93% Optional colors: black, white, blue Specification 127 * 90 * 83 (mm) Product weight: 260g!