1、RGB star projection lamp, which can automatically rotate 360 ​​degrees, gorgeous and colorful, bringing a romantic and warm feeling to your room. 2、Support memory card playback, support U disk song playback, built‑in intelligent decoding function, plug and play, simple and convenient. 3、Integrated full range speaker, automatic low frequency tracking compensation technology, captures the volume level, full bass effect. 4、Using LED soft light energy saving wick, no dazzling, no flicker, built in rechargeable battery, can be used wirelessly, connected to mobile power to charge. 5、Wide application range, suitable for wedding decoration, home decoration, holiday decoration, family gathering, birthday party, outdoor travel. 1 x Projector Lamp1 x USB Cable Item Type: Projector LampMaterial: ABSWeight: Approx. 281g / 9.9ozVoltage: DC5VBattery: Built in a 18650 lithium battery with a capacity of 1200MAH (included)Charging Time: 2.5-4 HoursBluetooth Distance: ≥ 10m / 32.8ftInput Sensitivity: 450±50mVSignal to Noise Ratio: ≥ 85dBFrequency Response: 40HZ-18KHZDistortion: <1%Power: Maximum 10WTotal Width: Approx. 11cm / 4.3inHeight: Approx. 14cm / 5.5inColor: Blue+Transparent