Remax RB-M31 Subwoofer Retro Bluetooth 4.2 Mini Speaker with FM Radio and TF Player

Description Communication: AUX Communication: USB Communication: Bluetooth Audio Crossover: Full-Range Built-in Microphone: Yes Number of Loudspeaker Enclosure: 1 Intelligent Personal Assistant: None Channels: 2 (2.0) Display Screen: No Battery: Yes Speaker Type: Portable Cabinet Material: Plastic Power Source: DC Feature: Phone Function Feature: Play Video Support Apt-x: Yes Model Number: REMAX M31 Wireless Bluetooth Speaker Output Power: 5W Wi-Fi Music: Apple Music Display Screen: No Waterproof: No PMPO: 5W Remote Control: No Support Memory Card: Yes Playback Function: MP3 Playback Function: Other Frequency Range: 20Hz-20KHz Material: Plastic