TG1661. FM/ TF Card/ U disk input 2. Bluetooth 3.

Bluetooth Version:5.0

Bluetooth range:10M

S/N:≥90db

battery capacity: 500mAh

Built-in Voltage:3.7V

Playing time under normal volume:2H

Speakers:￠45mm *1

Speakers Power:4Ω/3W＊1

Frequency:120HZ-20KHZ

Dimension:86.5x72.3x31.6mm

Single Weight:172g

Charge Voltage:5Ｖ/500mA

Charge time:2Ｈ

QTY/CTN: 100PCS

CTN SIZE:35.7*23.5*45.5CM

N.W.:21kg

G.W.:21.5kg

Color: black, red, blue, grey, green, yellow, pink, gold, orange, sky blue