New bluetooth speakers blue LED dazzle colour lamp

peculiarity
Built-in bluetooth wireless transmission, telephone hands-free function
Stereo audio transmission protocol (A2DP V1.2)
Support MP3 songs played TF card store
Support can be charging circuit
Support 7 colour breathing lamp

parameter
Output power: 3 w
Magnetic trumpet: 4 Ω 3 w
Battery capacity: 400 ma
Degrees of separation: 90 db or higher
Signal to noise ratio: 80 db or higher
Working voltage: DC 5 v

Packing:
1 X bluetooth speakers
1 X USB cable
1 X user manual