The Harman Kardon Esquire 2 portable Bluetooth speaker is the centerpiece of master craftsmanship and performance, blending premium materials with the needs of on-the-go professionals. Esquire 2 delivers rich high-end acoustics by incorporating advanced acoustic engineering into 4 professionally tuned sound drivers. Its rechargeable battery supports up to 8 hours of playtime and USB charge out to ensure that travelling professionals never run out of power. The Esquire 2 also features an unparalleled conferencing system; underneath the aluminum unibody design embedded with quad-microphone VoiceLogic noise and echo cancelling technology with 360-degree voice pick up for crystal clear conferencing experiences - even in the noisiest places. Esquire 2's slim form factor and lightweight design effortlessly slips into a suitcase or handbag, but also makes its presence known when placed center stage in a conference room.