Portable Wireless Speaker Phone External Speaker Universal 3.5mm Jack Mini Sound Box For Smartphone Tablet Laptop MP3 MP4

1. 3.5mm AUX audio interface. Perfectly compatible with any media devices with 3.5mm jacks, such as mobile phones, tablets, computers, MP3, CD players, laptops, just plug them directly to play music or video, audio.
2. Clear sound quality. The mini speaker is equipped with 3.5W speakers, which can amplify the sound of mobile phones, tablets, computers and other devices. And 4ohm and SNR> 90db can maintain high sound quality and clear bass.
3. Mini portable design. The size of the mini wireless speaker is 47*47*34mm, compact and lightweight design, easy to pack in pockets, briefcases and handbags, and can be used anytime, anywhere.
4. Long battery life. This mini portable speaker has a built-in 350mAh lithium battery, which does not consume power from the phone during playback. After the battery is dead, it only takes 45 minutes to fully charge through the micro USB port (included).
5. Easy to use. Customers who use the built-in speaker do not need to download any applications or wait, just plug in the phone and use it.

Specification:
Colour: black
Signal to noise ratio: >80dB
Output power: 3W
Material: plastic/silicone
Built-in battery: 350mAh
Frequency: 50Hz-1800Hz
Battery capacity: 3.7V/ 500mAh
Working time: about 5h
Net weight: about 65 grams
Size: about 47*47*34mm/1.85*1.85*1.34inch

Packing List:
Mini Wireless Speaker*1 
Charging Cable*1