Feature:

• Patent design, 40mm Neodymium driver, make you enjoy the quality sound.
• Refuse to be frivolous. Achieve clear and listening to the beautiful coexistence, regardless of the cost.
• High polymer composite vibration film built just to give high resolution smooth quality sound.

Specification:

• Driver dia:  40mm
• Bluetooth Version:  4.2
• Impedance:  32Ω+/-15%
• Sensitivity: 103dB±3Db
• Battery capacity:  300mAh
• Transmitting distance:  10m
• Playback time:  ≥15hours
• Talking time:  ≥15hours
• Standby time:  ≥250hours
• Charge time:  <3H

If you are not entirely satisfied with your purchase, please return the unused item within 30 days and we are happy to process an exchange.

• Send your request of return for exchange by using "Contact Supplier" function, together with (1) transaction date, (2) your name and contact info, (3) the copy of your transaction receipt or proof of transaction and (4) reason for return for exchange for our follow-up.
• ONLY unused products with original packaging and receipts are entitled to returns for exchange. Your request must be made within 30 days of the purchase.
• No refunding of remaining amount is applicable if the good to be changed is of lower value of the original purchase. You will need to cover the exceeded difference of the value between the exchange item and the original goods.
• You are required to pay return shipping.