Stark Bluetooth® Speaker. Power your music with this Bluetooth® speaker. It plays your music or other audio from a Bluetooth® enabled device or via the 3.5mm audio input, making it compatible with just about any device that plays music. Perfect for any occasion. The speaker features built in music controls and a microphone. Bluetooth® working range is 10Ms. Enjoy up to 2 hours of music at maximum volume. The charging time is 1 hour. Supplied in a white Avenue gift box. ABS Plastic.