Weatherized design protects against the elements. High quality, near lossless Bluetooth wireless audio streaming. Superior Audio Performance Engineered using TDK"s Signature Sound technology, the Trek delivers high quality, authentic sound free of distortion and artificial tuning. The speaker is equipped with 2.0 Stereo Configuration: two forward active drivers and two passive radiators. Durable, Ultra-Portable Design The Trek is designed to function in nearly any environment. Carrying an IP64 rating, the speaker features a rugged, weatherized housing that resists dust and splashing water. Measuring less than 7.5 inches wide and weighing less than a pound, this ultra-portable speaker is built to move, rain or shine. Rechargeable Battery for Portable Playback You"ll be able to stream music on a pontoon, on the beach, or atop a patio table for up to six hours per charge. And you can optimize sound direction with the speaker"s built-in tilt stand. Bluetooth Support for Wireless Connections Bluetooth v4.0 technology offers near lossless audio streaming from any Bluetooth enabled device, letting you stream audio from a broad range of devices including tablets, smartphones, laptops, and more. While Near Field Communication capabilities make connecting your NFC-enabled device fast and easy. The speaker is compatible with Bluetooth v4.0 + EDR. It supports A2DP, HFP, and HSP protocols. A26 Trek Wireless Outdoor Speaker TDK Life on Record Signature SoundMeasures 3 x 7€ x 1 inches (H x W x D) High quality, near lossless Bluetooth wireless audio streamingBuilt-in Near Field Communication technology allows for quick wireless pairingWeatherized HousingRechargeable battery for up to 6 hours of portable playback Integrated microphone provides speakerphone functionalityOne-year US limited warranty Versatile Connectivity Options The Trek is outfitted with a 3.5-millimeter auxiliary input, enabling you to play music using any device that has a headphone jack, such as non-Bluetooth enabled MP3 players. A built-in microphone allows you to have hands-free phone conversations when the speaker is connected to a phone via Bluetooth. TDK Life on Record AudioA26 Trek Outdoor Wireless SpeakerA33 Weatherproof Wireless SpeakerQ35 Wireless Charging SpeakerA73 Wireless BoomboxBluetooth Support✓✓✓✓Rechargeable Battery✓✓✓✓Portable✓✓✓✓Weatherized Housing✓✓Built-in Microphone✓✓Qi Wireless Charging✓FM Radio✓