Brand Name: NoEnName_Null Power Source: DC Inbox adaptor: No Cabinet Material: Metal Audio Crossover: Full-Range Battery Charge Time: 0 Waterproof: No Voltage range: USB (5-20V DC) Communication: AUX Speaker Type: Bookshelf Channels: 2 (2.0) Support APP: No Battery: No Category: Speakers Use: Home Origin: Mainland China Sound Mode: Hi-Res Sound Mode Sound Mode: Stereo Sound Mode Sound Mode: Smart Sound Mode Sound Mode: Transparency Mode Sound Mode: Sleeping Mode Sound Mode: 3EQ Modes Surround sound channel configuration: 2.0 Audio latency: 0 Voice Control: No Power Source: Ac Power Source: DC Number of Loudspeaker Enclosure: 1 Input Power(W): <25 W High-concerned chemical: none Output Current: 2A Input/Output: RCA Intelligent Personal Assistant: NONE Remote Control: No Support Apt-x: No Output Voltage: 15 W Support Memory Card: No Feature: None Playback Function: None Playback Function: Radio Display Screen: No PMPO: 30W Material: Metal Display Screen: No Built-in Microphone: No Interface Type: Card Reader Use: Home Theatre Audio Classification: Mini Type: Passive Radio: No Special Feature: Wireless, Portable Speaker Classification: Tweeter Speaker Structure: Hi-Fi Boxes Speaker Type: Mini Intelligent Personal Assistant: None