headphone speaker,mini portable amplifier speaker, buletooth speaker

Specification 

1.Bluetooth version： V2.1+EDR

2.Product size： 78*34mm
3.Product weight：270g

4.Materials：metal+ABS
5.Bluetooth working frequency：20HZ-20KHZ
6.Transfer distance： 10M
7.S/N Ratio：no less than 80dB
8.battery capacity：3.7v 600mAh 9.lithium polymer
10.Distortion： less than 1.0%
Functions

• 1. Bluetooth speaker

• 2.Tfcard
• 3.Hands free
• 4.Wireless Transmission

Package

Product Size: 78x34mm 
Gift box size:9.5x9.5x6.5CM 
Carton side:40x40x27CM 
Each CTN:60pcs 
N.W.:23KG 
G.W.:24KG