HMDX - Hangtime Wireless Bluetooth Speaker - Black
Utilizing Bluetooth technology, this splash-proof HMDX Hangtime HX-P140BK speaker lets you wirelessly connect most Bluetooth-enabled devices from up to 30' away. A 3.5mm auxiliary input enables easy wired connectivity.
Bose® - SoundLink® Mini Portable Bluetooth Speaker - Black
Bose® SoundLink® Mini Speaker: Enjoy full, robust sound anywhere you go with this speaker that features an ultracompact design for easy movement from room to room. Bluetooth technology allows you to wirelessly stream music and more from your compatible cell phone, audio player and more.
Can it be used outdoors
It is cordless and Bluetooth. You can take it anywhere but will need to charge it after some time. Maybe a couple hours.