◆Bluetooth solutions：Realtek
◆Bluetooth version: 5.0+EDR                                                                                                              
◆Waterproof : IPX4
◆Supported Profile : A2DP,AVRCP,H-SP,H-FP
◆Earphone capacity : 50mAh*2 rechargeable  Lithium battery
◆Effective distance: 10M
◆Music time Single : About 6-8hours                                                                                               
◆Music time Twins : About 6-8hours                                                                                                   
◆Total standy time: Up to 150hours                                                                                                     ◆Total Charging time: about 2H
  Charging box  Specification :                                                                                                                          ◆Battery capacity of Charging bin : 1000mAh                                                                                   
◆Charge case Dimension weight: 30mm(W)*80mm(L)*35mm(H)/30g                                                                        
◆Box size12*10*5.5cm                                                          
◆Color option: Black , White.