Mobile Phone Connection: Scan the instruction manual QR code through your cell phone, you can set the time in the APP, there are three alarm modes and 5 groups of ringtones. Three Playback Modes: Speaker has three playback modes: Bluetooth connection, memory card insertion and sound cable connection, slide the mode button to choose your favorite sound mode. Bluetooth: Speaker has a disk that will rotate, support Bluetooth 5.0, within 10 meters to meet the original sound transmission, give life a sense of ritual. HiFi Sound Quality: Bluetooth alarm clock speaker 360 degree stereo sound, professional acoustic master modulation curve, restore HiFi music effect. Phonograph Swing Arm: Alarm clock speaker classic phonograph swing arm, instead of the traditional button switch, swing the switch to switch on and off.