The TDK Life on Record TREK Micro offers high quality sound in a speaker that fits in the palm of your hand. Proven to withstand splashing water and dusty conditions, the TREK Micro was built to be the perfect speaker for nearly every activity. The speaker's rechargeable battery offers up to six hours of audio playback letting you enjoy your music on the beach, while camping, on vacation, or at the gym. Bluetooth connectivity lets you stream audio wirelessly, while the built-in NFC capability makes pairing an NFC-enabled device as simple as touching it to the speaker. Enjoy full stereo sound wherever life takes you by using the TrueWireless Stereo feature to pair two TREK Micros to each other. The TREK Micro's flexibility and rugged design make it the perfect addition to your busy lifestyle.