Specification: 
Bluetooth profile:  Bluetooth V5.0+EDR IP67 Waterproof
Bluetooth protocol:HSP V1.2 ,A2DP V1.2, AVRCP V1.4, HFP V1.6, DI V1.3
RF distance: <15M
Frequency: 2.402G-2.480G
SNR:≥80dB , Distortion:≦1%
Working voltage/current:3.5∽4.2V
Charging voltage/current:DC 5V
Battery capacity: 3.7V 1000mAh
Charge time: 1-2Hours
Playback time:Max volume: 2H, 80%: 5H, 50%: 10H
Rated power:5W  
Material:Silicon+ABS                    

 Feature:
1.Wireless Bluetooth Input
2.Hand-free function
3.Play/pause
4.Vol.-/Previous song
5.Vol.+/Next song
6. Line in Aux
7.Waterproof IP66 , Anti-dust, Anti-drop option,Unique Design                                                 
8. Outdoor tough speaker                                      
9. Enegy Saving, Battery Capacity Display                                                            10. Bluetooth connect and cancel pairing