Arietta Wireless Speaker Wireless Speaker Featuring High Definition Bluetooth 4.0 Technology. Simply Pair Your Device To Enjoy Dynamic Stereo Sound. Features High Definition Sound With A Built-In Microphone For Easy Hands-Free Calling. Perfect For Your Home, Office Or Outdoor Activities. Pairs From Up To 30 Feet Away. Rechargeable Battery Included. Up To 8 Hours Of Play Time. Complies with Prop 65. 6 1/4" W x 2 4/5" H x 1 1/5" D