Welcome to our store! 1、Anti Slip And Anti Scratch: The bottom of the use of silicone anti slip, to prevent the surging bass vibration generated secondary noise, suitable for a variety of environments. 2、Independent Color Light Knob: Innovative independent volume knob design, adjust the volume more convenient. 3、Subwoofer: The use of bass large diaphragm speakers, the combination of the two to create a three dimensional shock bass. 4、A Variety Of Playback Modes: Easy to connect, not only Bluetooth connection, but also Memory Card playback. 5、Alarm Clock Function: LED display, clear and bright, built in humanized alarm clock function, you can set two alarm clocks.Item Type: Bluetooth Speaker Alarm ClockMaterial: ABS, PlasticBattery Type: Lithium Battery (Shipped With Built in Battery)Battery Model: 18650Battery Capacity: 1200mahExtended Storage: 32gb (Without Memory Card)Bluetooth Version: 5.0Distortion: <2%Speaker: 4Ω3WProduct Size: Approx.6 x 14.3cm / 2.4 x 5.6inFunction:1. Bluetooth limited maximum distance of 15 meters2. Working time 12 hours3. Peak power: 5W4. charging input: 5V-2A5. Bluetooth device name: B1266. Speaker: 2.0 inch strong magnetic full range7. Output power: 3Wx1 RMS8. Frequency response: 150Hz-20KHz9. Signal to noise ratio: ≥ 85dB10. Two sets of alarm clock settings11. Memory Card, Bluetooth connection, night light12. Three brightness adjustment13. Receiving voice announcement 1 x Bluetooth Speaker1 x User Manual1 x Usb Cable