Product Details

new arrival subwoofer bluetooth wireless speaker with handsfree and 4000mah battery ,20W

High lights---New for 2016 super cool BT speaker

alibaba trade assurance product

1.large power battery: 4000mah

2.adapt DSP Chip inside X-BASS subwoofer super sound

3.Beautiful alumimn alloy surface,Portable Design

4.CSR 4.0 ,Built-in Microphone.handsfree function,NFC,TF card reader function

Product Description

Bluetooth version	CSR4.0
Product size	2006064mm
Material	ABS+aluminumn
Transmission distance	10M
Frequency range	60Hz-20KHz
S/N ratio	≥80db
Speaker unit	Diameter 45mm,inner magnetic 4 Ω
Battery	4000mA
Chargeing time	3~4hours
Working time	Up to 8 hours
Functions	Handsfree function TF card reader function (for 28DS) Automaticlly turn off at lower power
Accessories	Micro USB chargeable cable/ dual 3.5mm audio cable

Picture of BT28S

Packaging & Shipping

white box or customized

15-20days after received your deposit payment

Payment

Westrn union ,paybal ,L/C

T/T 30% deposite payment 70% balance payment before shipment

Warranty

One year warranty

Our advantage

Pattern	design pattern certification
Certificate	CE, FCC,ROHS etc
Production	With 10years own factory, well-trained worker, high-level manager
Technology	Advanced production & test equipments,
Price	Competitive price
Quality	Superior quality,pure touching sound.
	Green products
	Original Chinese producer
Service	Professional R&D department, outstanding design, good-communicate sales, trustworthy worker, high-level manager,one year warranty