Portable Bluetooth Speaker

Product Name: Retro Bluetooth Speaker

Play Time: 2-3h

Speaker: 3W frequency response 50HZ-20KHZ

Battery: 3.7V 400mAh SNR ≥90DB

Acceptance distance: 10M

Product net weight / gross weight: 190g / 230g

Charging time: 2--3h

Product size: 3.74" X 2" X 2.76"

Support function: Bluetooth / U disk / TF card / audio output

Bluetooth: 4.1