Bluetooth Speaker

Bluetooth Speaker

Model: B2020
BT version: V5.0
Chipset: Bluetrum 5376 
Speaker dia.: φ10mm Frequency: 20-20KHZ
Speaker sensitivity: 103dB±3dB Earbuds Battery: 40mAh each Charging case capacity: 200mAh Playing time: 3-4hrs
Charging time: 2hrs
Standby time: 80H
Charging port: DC2.0