•  Cap Material: 100% Cotton

•  Embroidered logo on front

• Bluetooth: JL 4.2 BL version

• Transmission Range: 10M/33Ft 

• Built-in microphone lets you pick up calls directly

• Rechargeable Li-polymer battery

• Standby Time: Over 60 hours

• Play Time: Over 2.5 hours

• Charge Time: DC 5V approx 60 minutes

• Earphones are removable for convenient cap washing or can be hidden into the cap when not in use

• With Over-current, Overcharge & Overheat circuit protection design on PCB 

• Adjustable back

• Size:  One size fits most