LM-MONSHO-9003-GRN3W Single Speaker for shower featuring Bluetooth Version 5.2Material Technology : ABS + silicone? Specs at a glance:? Socket Type : DCBattery Capacity : 300 mahPower Supply Mode : built in lithium battery/DC charging portPlay Format : MP3/WMA/WAVAmplifier Specifications : 3W * 1Speaker Specifications : 45mm, 403 w * 1Distortion Rate & IT : 3%Bluetooth Distance : 10 metersFrequency Responses : 80hz-20khzS/N Ratio : = 75dBCharging Parameters : 5V 0.3A*Accessories : 1 x charging cable