The Harman Kardon Onyx Studio 5 Bluetooth Wireless Speaker. Black version. Model: HKOS5BLKSP.

Features:
- Bluetooth 4.2 enables wireless streaming for room-filling sound & speakerphone lets you take hands-free calls.
- Rechargeable battery provides up to 8 hours of playtime, so you can keep the party going all night long.
- 50W total system power and 50Hz – 20kHz frequency response for crisp sound.
- Wirelessly connect 2 Harman Kardon Onyx Studio 5 speakers for an elevated audio experience (additional speaker sold separately).
- Round silhouette and premium fabric cover deliver an elegant look and feel & integrated aluminum carrying handle makes it easy to take the speaker anywhere.