Brand Name: W-King W-KING Model: X20 Power Source: DC Inbox adaptor: No Cabinet Material: Plastic Audio Crossover: Three-Way Waterproof: Yes Voltage range: USB (5-20V DC) Communication: Bluetooth Communication: Audio Line Communication: Jack 6.3 mm Speaker Type: Outdoor Speaker Channels: 3 (2.1) Support APP: Yes Battery: Yes Category: Speakers Use: Camping Origin: Mainland China Sound Mode: Stereo Sound Mode Sound Mode: Extra Bass Mode Sound Mode: Standard Mode Sound Mode: 3EQ Modes Voice Control: No Power Source: Ac Power Source: Battery Power Source: USB Number of Loudspeaker Enclosure: 2 Input Power(W): 200-299W High-concerned chemical: none Input/Output: AUX Intelligent Personal Assistant: NONE Tweeter material: Paper Remote Control: No Display screen: No Weight[g]: 9700 Number of devices connectable simultaneously: 2 Bluetooth Version: Other Sensivity: 110 Output Voltage: 200W Support Memory Card: Yes Battery Capacity[mAh]: 9000 Display Screen: No Sabwoofer cabinet material: Glass Certification: CE Certification: FCC Certification: RoHS Certification: weee PMPO: 300W Touch Screen: no Built-in Microphone: Yes Frequency Range: 45Hz-20KHz Bluetooth pairing name: W-KING X20 Bluetooth working distance: 10 meters True Wireless Stereo Function: Support Music source inpt: Support AUX IN TF card/USB flash drive reading function: Supported audio formats: MP3, WAV, APE, FLAC, WMA. Audio output: Supports 3.5mm headphone audio output. Wireless microphone connection: Not supported Instrument Input: Supports 6.35mm instrument input jack Channel: 2.1