Alpine Corporation's Revolutionary Solar & Bluetooth Outdoor Rock Speaker USB Charging Option Enabled Comes with 1 Year Warranty (Brown) Solar Power Brown Bluetooth Enabled Rock Speaker with dimensions 13"L x 9"W x 11"H. High fidelity speaker. Bluetooth capable Push ON/OF Switch; 15 Meters Range. Weather Resistant. Up to 12 Hours of power on full charge. Dimensions: 13&#034;L x 9&#034;W x 11&#034;H. High fidelity speaker. Bluetooth capable. Push On/Off Switch. 15 Meters Range. Up to 12 Hours of power on full charge.