Specification: 
· Bluetooth profile: Bluetooth V4.2 + EDR IP66
· Bluetooth protocol: HFPV1.6, HSP V1.2, A2DP V1.3, · · AVDTP1.4, AVRCP1.5
· RF distance: <15M
· Frequency: 2.402G-2.480G
· Signal to noise ratio: ≥80db
· Distortion: ≤ 1%
· Operating voltage/current: 3.5∽4.2V
· Charging voltage/current: DC 5V
· Battery capacity: 3.7V 1000mAh
· Charging time: 1-2H, playback time: about 3-6H
· Rated power: 3W * 2 stereo
· Material: TPU+ ABS                    

 Feature:
· Wireless Bluetooth Input
· Hand-free function
· Play/pause
· Vol.-/Previous song
· Vol.+/Next song
· Waterproof IP66 , Anti-dust, Anti-drop option,Unique 
  Tank Design                                                  
· Outdoor tough speaker                               
· Enegy Saving, Battery Capacity Display
· Gift Box: 165*75*52mm 
· Qty/CTN: 50 PCS/CTN
· N/W: 17  KGS
· G/W:  18 KGS
· CTN Size:39*35*28.5 cm
· Product Weight: 260g
· Product Size:  L133*W46*H69mm