Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Create a detailed description for the following product: JBL Pulse, belonging to category: Portable Speaker

### Response:
This portable speaker streams music via Bluetooth from any suitable device. Two high-performance drivers deliver room-filling stereo sound. The special feature of the JBL Pulse is its integrated LEDs flashing to the beat of the music. The speaker includes both preprogrammed and programmable light themes, which can also be downloaded, for instance using an app. The rechargeable battery guarantees a runtime of up to ten hours.
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