KB-155 Portable Bluetooth speaker

Version: V4.1

Max Power Output: 4Ω 15W*2

Frequency:2.402-2.480GHz

MIC Sensitivity: -32db

Signal To Noise: Better than +82dBm

Data Transmission:Up to 3Mbps

Distance :10meters

UART Data Transmission Rate: 115200bps

Working Voltage: 5V DC

Charging Voltage :3.7V DC

Battery Capacity for SPEAKER: 2000ah

Working Current: 200MA

Quiescent Current:>1UA.

Main Material:Plastic