... gift Mini 3.5MM Portable Metal wireless outdoor speaker stereo bike speaker speaker for bike , bicycleWeight145GSize37*88cmQty/CTN60pcs/CTNGW/CTN27. ... . can swift-in mp3,mp4,laptop,mobilephone as peripheral speaker. Accessories: application *Sport life:Badminton,Table tennis,Tennis ... Jog and so on *Domestic life: Read,Cleaning,doing house work,cooking,meditation,sleep/bathe *Outdoor life: camp,barbecue ...