Specification Brand : WOOXGEHM BulletPoint1 : PRETTY SOUNDS: The single directional resonance speaker with low harmonic distortion and 85dB signal to noise ratio has high sound quality BulletPoint2 : FLEXIBLE USING: Widely applied to sound playback and amplification on computers, laptops, MP3, MP4, CDs, mobile phones and other devices BulletPoint3 : FULL FREQUENCY: Full frequency range, with very clear sound quality in each frequency range, so you can better enjoy the music and melody BulletPoint4 : WITH STRONG BASS: The bass is very strong, and the bass effect of this internal magnetic resonance speaker is equivalent to an 8in speaker BulletPoint5 : QUICK TO INSTALL: Comes with a compact size and a light weight as well, the resonance speaker is very convenient to install in minutes Color : 4Ω 3W IsWaterproof : FALSE ItemName : WOOXGEHM Resonance Speaker, High Sound Quality, 26mm All Frequency Strong Bass Vibration Speaker for Computers, Laptops, MP3, MP4, CDs, Mobile Phones(4Ω 3W) ItemPackageQuantity : 1 ItemTypeKeyword : portable-mp3-player-line-in-speaker-systems Manufacturer : WOOXGEHM Material : Paper PartNumber : WOOXGEHMrsdm4n7cht-11 ProductDescription : Specification: Item Type: Resonance Speaker Magnetic Circuit Form: Internal Magnetic Type Sensitivity: 84dB/W Rated Power: 3W Signal to Noise Ratio: 85dB Harmonic Distortion: 4TMD% Diaphragm Material: Non Paper Material Frequency Features: Full frequency band, full range. Directionality: Single Directional