Waterproof Wireless Mini Car Bluetooth Shower Music Speaker Handsfree Portable

Basic parameters:
Frequency: 2.402-2.480GHz
Maximum output power: 3W*2
MIC sensitivity: -32db
Sensitivity: Better than -82dBm
Distance: 10-30meters
Charging voltage: 3.7V – 4.2V DC
Operating voltage: 4.8V – 5.5V DC
Working current: 150MA
Quiescent current: >1UA
Battery: 500Mah

Size：98*88*45mm