Karnotech REMAX Wireless Bluetooth Speaker Portable Mini Lightweight Speaker Outdoor Mobile phone Hands-free Speaker, RB-M3 Tarnish Full-metal cover, aircraft-grade aluminum, exquisite workmanship. Two 3W audio drivers and passive subwoofer immerse you in an impressively full sound quality and robust bass Automatically connect to the last-connected device when turned on. Compatible with all Bluetooth-enabled devices. Outstanding connection range of up to 33 feet. Built-in microphone makes calling convenient. Packaged included: 1x Portable Bluetooth Speaker 1x USB charging cable 1x Aux cable 1x Manual. Warranty: Non-artificial damages, 1-month money back, 3-month warranty.