Outdoor Bluetooth Speaker,Portable Wireless Rechargeable Free Phone Call Bluetooth Speaker Sound Box with TF,FM,AUX Function for Apple iPhone,iPad,Samsung Galaxy Tab and other Device with BT (Black) Portable bluetooth speaker,unique small design 2.2x1.5x3.8inch,lightweight,portable. Outdoor bt speaker,special rings design,hang it in your bag or bike to enjoy music/radio/phone call,handsfree and lost-proof! Good sound quality,stress and base are both powerful,also with kind voice notification to notice you which step it is when power on! Support handsfree phone call,multi-people business meeting,call when driving are available,more convenient and safe! Compatible for all device with BT function in outdoor or indoor activities,BBQ,hiking,biking,business meeting,kitchen etc!