Roland JC-01 Bluetooth Audio Speaker Listen to music anytime and anywhere with a Bluetooth connection and built-in rechargeable battery Clear, high-definition sound field gives one the sensation of listening to JC series products Unlike most Bluetooth speakers with a two-band EQ, the JC-01 offers outstanding tonal adjustability with a three-band EQ Inherited traditional design of the Roland JC series Hands-free talking capability with built-in microphone