Portable Retractable Wireless Bluetooth Speaker Compact Device With Rich Sound Used for Mountain Climbing Cycling Tourism

★【Small and Portable】Small and lightweight, hook hole design, easy to carry.

★【Low Voltage】Low power consumption, power amplifier IC, pure sound quality, low distortion.

★【3.5mm Audio Jack】Suitable for iPod, MP3, MP4, MP5, mobile phones, computers and other devices with 3.5mm audio jack.

★【Retractable Speaker】The bottom of the speaker is equipped with an audio cable that is equipped with a USB charging cable and has a unique design. Unique design telescopic speaker.

★【Built-in 180mAh Battery】Without external power supply, it provides one and a half hours of playing time at maximum volume and about 3 hours of playing time at 50% volume.