◆Bluetooth solutions：Realtek
◆Bluetooth version:5.0+EDR                                                                                                               ◆Waterproof : IPX4
◆Supported Profile : A2DP,AVRCP,H-SP,H-FP
◆Earphone capacity : 60mAh*2 rechargeable  Lithium battery
◆Effective distance: 10M
◆Music time Single : About 6-7hours                                                                                               
◆Music time Twins : About 5-6hours                                                                                                   
◆Total standy time: 720H                                                                                                                     
◆Total Charging time: about 1H
Charging box  Specification :                                                                                                                          ◆Battery capacity of Charging bin : 1600mAh                                                                                   
◆Rechargebal earphone : About 13times                                                                                                  
◆Power bank output: 5V-1A                                                                                                                  
◆Charging box size: 55*24*80mm  Package size :13.5*9*4cm                                                                                                        
◆Color option: Black , Silvery, Rose gold