THECOO BTA520 Wireless Bluetooth Desktop Speaker Stereo Subwoofer

Dual Loudspeaker Design This portable Bluetooth subwoofer adopts dual loudspeaker design from the inside, which improves the sound performance a lot, provides you with great listening enjoyment.
Full Range Frequency Loudspeaker Diaphragm With the large size unit full range frequency diaphragm, this Bluetooth speaker comes with perfect bass performance and delivers the great bass experience to you.
Long Playing Time Up to 8 Hours Thanks to be built-in 1800mAh large capacity Li-ion rechargeable battery, this Bluetooth portable speaker can be charged to full in 3 hours and playing for up to 8 hours.
Hands-Free Calling to Free Your Hands Equipped with DSP noise canceling HD microphone, you can answer the incoming call by just press one button and without picking up your phone, free your hands.
Universal Compatible Bluetooth 4.0 Adapting Bluetooth 4.0, this desktop subwoofer is compatible with Bluetooth 3.0 and other previous versions of Bluetooth, which is suitable for most models of Bluetooth devices.
Specification
Brand THECOO
Model BTA520
Bluetooth Version Bluetooth 4.0+EDR
Rated Power 3W x 2
Loudspeaker Unit 3W/4Ω
Reaction Frequency 120Hz-20kHz
SNR ≥82dB(charging status not included)
Distortion Factor ≤0.16%(@1kHz)
Transfer Range ≥10m(no barrier)
Charging Voltage DC 5V
Battery 3.7V, 1800mAh
Playing Time ≥8 hours(according to volume)
Charging Time 3-4 hours
Product Size 179 x 65 x 48mm
Package Contents 1 x Bluetooth Speaker, 1 x Portable Box, 1 x USB Cable, 1 x Aux Cable, 1 x User Manual