Input/Output: USB Number of devices connectable simultaneously: 2 Maximum wireless range[m]: 10m-20m Sound Mode: 3D Surround Sound Mode,Stereo Sound Mode,Extra Bass Mode,Standard Mode Category: Speakers Use: Home Sensivity: 750dB Control: Volume control Bluetooth Version: 5.0 Input Power(W): 50-99 W Total Harmonic Distortion: 0.5% Impedance: 2-4 Ohm Wi-Fi Music: Apple Music Voice Control: No Frequency Range: 100Hz-20KHz Output Power: 100W Waterproof: Yes Support APP: No Support Memory Card: Yes Playback Function: mp3 Intelligent Personal Assistant: NONE Audio Crossover: Full-Range Number of Loudspeaker Enclosure: 2 Power Source: Battery Channels: 2 (2.0) Feature: Phone Function,Play Video Battery: Yes Communication: USB,bluetooth Speaker Type: Portable Cabinet Material: Plastic Origin: Mainland China Certification: CE Feature 1: Caixa de som bluetooth speaker Feature 2: Support call function Feature 3: Support lighting function Feature 4: Built in battery Feature 5: Suitable for outdoor/broadcasting systems/karaoke Feature 6: Bluetooth version 5.0 Feature 7: Support for USB flash drives/TF cards Feature 9: Built-in Lithium Battery Feature 10: TWS