Description: 【Features】8 kinds of sounds, can cover noise, support headphone output, suitable for home, office, outdoor sports, yoga. 【Wireless Connection】Portable Wireless Bt Speaker supports wireless Bt connection, can connect to mobile phones, tablet and other devices. If the playback is stuck, it is because the distance is too far or there are obstacles blocking it. 【Small and Portable】The size of Mini Small Speaker is 180x85x75mm. It is small and easy to carry, and can be put into a bag to carry out. 【Smart Timing】Modern Speaker has a smart timing function, with three options of 30 minutes, 60 minutes, and 90 minutes. After the timing ends, the sound will automatically decrease until it turns off. 【Packing List】You will receive 1x Desktop Speaker, 1x USB charging cable. This is also a great gift choice for family and friends. Specification: Material: Plastic Built in battery: 3.7V/1800MAH Frequency response range: 100Hz- 20kHz Distortion: ≤10 Signal to noise ratio: 75dB Version: V5.0 distance: 10M Output power: 2X5W Power input: DC5V/2A Size Chart: 18cmx8.5cmx7.5cm/7.09inchx3.35inchx2.95inch Package Includes: 1x Speaker 1x USB charging cable Note: Please allow slightly errors 1-2cm differences due to manual measurement.