Please note:There are three kind of speakers, one is BS-28E, one is BS-28A, the other one is BS-28B, they have different parameters. Please view carefully before buying, if you have any doublt , please don't hesitate to contact to us, thank you.

Specifications:BS-28E（With remote control）

1. Bluetooth version: V5.0

2. Speaker: 10W*4

3. Bluetooth distance: 8-10M

4. Battery capacity: 2000mA 3.7V

5. Nominal voltage: DC 5V/IA-2A

6. Music playing time: about 4 hours.

7. Standby time: 240 hours.

8. 1A Charging time: about 2 hours.

9. Audio Input: Bluetooth,Coaxial mode,3.5mm Aux

TF card,USB

10.Dimension: 550 x 50 x 50mm /21.6 x 1.96 x1.96 in

11.Net Weight: About 870g

12.FM Radio Frequency: 87.5-108

13.Remote control / 3.5 audio cable / coaxial line

charging cable / manual

14.Support TV/PC/Phone/Tablet/Laptop/TV Box Audio

Specifications:BS-28B（With remote control）

1. Bluetooth version: V5.0

2. Speaker: 5W*4

3. Bluetooth distance: 8-10M

4. Battery capacity: 2000mA 3.7V

5. Nominal voltage: DC 5V/IA-2A

6. Music playing time: about 4 hours.

7. Standby time: 240 hours.

8. 1A Charging time: about 2 hours.

9. Audio Input: Bluetooth,3.5mm Aux/TF card

10.Dimension: 550 x 50 x 50mm / 21.6 x 1.96 x1.96 in

11.Net Weight: About 600g

12.FM Radio Frequency: 87.5-108

13. 3.5 audio cable / RCA audio cablecharging cable / manual

14.Support TV/PC/Phone/Tablet/Laptop/TV Box Audio

Specifications:BS-28A（No remote control）

1. Bluetooth version: V5.0

2. Speaker: 5W*2

3. Bluetooth distance: 8-10M

4. Battery capacity: 2000mA 3.7V

5. Nominal voltage: DC 5V/IA-2A

6. Music playing time: about 4 hours.

7. Standby time: 240 hours.

8. 1A Charging time: about 2 hours.

9. Audio Input: Bluetooth,Coaxial mode,3.5mm Aux/TF card,USB

10.Dimension: 330 x 50 x 50mm / 13 x 1.96 x1.96 in

11.Net Weight: About 460g

12.FM Radio Frequency: 87.5-108

13.3.5 audio cable/charging cable / manual

14.Support TV/PC/Phone/Tablet/Laptop/TV Box Audio