Studio Dome - Studio Boom Box 2 (SBB|2) wireless Bluetooth speaker system with True Wireless Stereo True Wireless Stereo Sound: 2 wireless speakers at 10 watts each ensures maximum stereo will exceed your expectations and fill your life with quality sound anywhere you want to go! Huge Range, Strong Battery Life: With 4400 mA/ H batteries that last up to 18 hours of consecutive play time and a range of 30 feet, lasting all day long. Works with all Bluetooth-enabled devices: Smartphones, tablets, and laptops all pair easily with the Studio Dome Boom Box 2. Near Field Communication capable: High quality microphone clarity allows for NFC enabled with Siri function. Compact and portable: Dual speakers (190 x 70 x 60mm/each SBB|2) come with a compact carrying case that allows for easy portability bringing sound clarity you desire at the beach, on the patio, at a party or anywhere you feel like dancing.