Super Long Time Endurance Bluetooth Headset with Charging Case

Specifications:
Voice Prompts: English
Bluetooth Version:  V5.0 
Bluetooth profiles Supported: HEP\HSP\A2D\AVRCP                                     
Frequency Response: 20Hz~20KHz                        
Sensitivity: 93dB                                                                                        
SPK : Ø8MM                                                                                    
Effective Distance: 33FT/10M                                                  
Battery: 50mAh Li-Polymer  + 1800mAh                                          
Talk Time: Up to  hours                                                          
Music Playing Time: Up to 5 hours                                      
Standby Time: Up to 300 hours                                                  
Nominal Charging Time for Earphone: 2 hour
Nominal Charging Time for Charging Case: 3.5 hour      

Packing for carton:
Size: 45*31.5*36.4cm
G.W.:16.2KG
Qty:80pcs\carton

Packing for gift box:
Size: 15*8.6*4.4cm
Weight: 190g
Item: Earbuds with charging case, 1 charging cable, 1 manual, earplugs(3 pairs of S/M/L sizes available)