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Bluetooth Speaker of premium sound

Product Code: YM-308

1. Built in 4 speakers: 2 actives and 2 passive radiators.

2. Output power: 2x3w(RMS).

3. 1650mAh lithium battery.

4. With AUX function.

5. Optional TF card slot.

1. Brief Introduction


The all-in-one aluminum casing protects the internal parts very well. In normal conditions, it is impossible to crush the aluminum casing.


Premium Sound

YM-308 has 4 speakers: two active speakers in the front, and two passive radiators in the back. Together, these four speakers deliver a clean, rich and powerful sound.


Big performance, small size

You might not expect sound this rich from a speaker this small, but this aluminum Bluetooth speaker is something new. You don't have to sacrifice performance for portability. Proprietary technologies and an innovative driver configuration combine to deliver full-range sound—-including deep lows-—in an ultra-compact package. It lets you take your music to places it's never been before.

2. Features

a)       Four speakers deliver a clean, rich and powerful sound.

b)      Built-in 1650mAh lithium battery

c)       Support TF card playback (optional)

d)      Built in microphone for hands-free phone calls

e)       Volume +/- control

f)        Previous track/next track control

g)       3.5mm stereo input for wired connection.

3. Electrical parameters

Bluetooth version


Bluetooth profiles


Bluetooth operating distance

10 meters (equal to 33 feet)

Frequency range


Charging voltage

DC 5 V 500 mA

Speaker output

3W x 2

Frequency response

20-20000 Hz

Microphone sensitivity

- 40db

Built-in battery capacity

1650 mAH

Charging time (fully charge)

Approximate 3 hrs

Playback time

8 hours

AUX input jack


DC 5v input port

Micro USB

4. Mechanical parameters

Unit size


Unit weight

Approx. 320g

5. Packaging

Gift box size


Qty/master carton


Master carton dimensions

44*24*23 cm

Master carton cbm


Net weight

4.4 KGS

Gross weight

7.2 KGS

Container loading quantity

20 foot


40 foot


40 foot HQ


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