Item No.: K11R125
.Bluetooth version: Bluetooth 4.2 +ERD  
.With AUX output  
.Support agreement: A2DP、AVRCP、HSP、HFP  
.Frequency range: 2.4GHz-2.48GHz  
.Support bluetooth hands-free calls  
.Material:ABS  
.With bluetooth BQB Certification  
.Battery: 3.7V 100mah Lith-ion Battery   
.USB Charging time: 2 hours  
.Duration time: about 6 hours  
.Operating range: 20 M  
.3.5 mm audio connector, USB cable  
.LED lights: green light for work, red light for charging   
.Low battery tips