Captcha Portable Speakers Features: Stereo Pure Sound Effect / USB 2.0/ Micro SD Card Support/ AUX Trendy Design In-built Microphone The Captcha Portable Speaker combines high-end stereo sound with portability, letting you enjoy your music wirelessly anywhere you want. Featuring dual 3-watt speaker cavity for excellent sound, this tiny but powerful speaker can fill any room with rich audio. connectivity allows you to wirelessly play and control your music from devices and take calls hand-free directly through the speaker. A built-in rechargeable battery lasts for up to 4-5 hours per charge, so you can enjoy your music all day. Use it at home, take it on vacation, enjoy it while camping, or set it up any other place you want to play your favorite music. The Captcha pairs instantly with devices like smartphones, Tablets, and computers, letting you send your favorite songs wirelessly to the speaker. Change tracks and adjust volume from your device, or use the control buttons located on the speaker. Check the speakers battery status on your Phone. When the battery is low, the speaker will give you an audible warning. The speaker also gives vocal signals to easily navigate through the various modes and the status of the Connectivity 1. Compatibility - Quickly syncs and automatically pairs to your device within seconds. 2. Built-In Microphone - Allows you to talk through the speaker for hands free calling. 3. Ultra Portable - Place it on your desk or any indoor or outdoor surface. Perfect for the beach, parties, camping, BBQ's & bonfires. 4. Multifunction Toggle - Allows you to control your device's playback controls such as play/pause, skip forward/skip backward. Technical Details. Standard : 2.1 + ESR Rated Power : 3W + 3W Play Time : 5-8 Hours Charging Time : 3-4 Hours. In case color represented is not available, product color can be given as per availability.