Communication: bluetooth Battery: Yes Speaker Type: Combination Power Source: Battery Number of Loudspeaker Enclosure: 1 Cabinet Material: Plastic Audio Crossover: Full-Range Channels: 1 Input Power(W): <25 W Output Power: 3W Tweeter material: Polymer Bluetooth Version: 4.0 Active Noise-Cancellation: Active Woofer/Widerange material: Polymer Acoustic enclosure: Sealed Remote Control: No Support Memory Card: Yes Playback Function: mp3 Display Screen: No Voice Control: No Sabwoofer cabinet material: Plastic Total Harmonic Distortion: 3% Material: Plastic Support Apt-x: No Sensivity: 85dB Display Screen: No Waterproof: Yes Mid-range material: Polymer Built-in Microphone: Yes PMPO: 12W Support APP: No Impedance: 3 Ohm Tweeter type: planar-magnetic Frequency Range: Other Audio Output: Single