Bluetooth 4.1: Support Bluetooth 4.1 transmission protocol standard, the transmission speed is faster and more stable, can effectively reduce the sound quality loss. Compatible with most smart devices with Bluetooth.
Multi-point Connection/Re-Dialing : It can connect 2 mobile phones at the same time. Just quickly press the multi-function button 2 times to redial the last broadcast number.
Noise Isolation: Earplugs are designed so that external disturbances can be reduced to a lower degree. Intelligent noise Isolation can make you enjoy crystal clear talking even in the open and loud environment.
Endurance Time: Built in rechargeable lithium polymer battery, the longest standby time can be up to 80 hours and the time of music can be up to 4.5 hours.
Clip Design: User-friendly retractable clip-on design, with the design of the clamp, it will be more convenient for you to wear it, simply clamping down on the clothes. Hold to pull ear-bud to answer the call, one click to retract the ear-bud easily when the call finishes.
Bluetooth Version: V4.1
Transmission Frequency: 2.4GHz
Distance: Up to 10M
Charging Time: About 2H
Music Time: About 4.5H
Talking Time: About 5H
Standby Time: About 80H
Item Size: 4.5cm * 2.3cm * 1.5cm/1.77in * 0.9in * 0.59in
Item Weight: 31g/1.09oz
Package Size: 18.4cm * 10.4cm * 2.9cm/7.25in * 4.09in * 1.14in
Package Weight: 101g/3.6oz
1 * Bluetooth Headset
1 * USB Cable
1 * Earmuff
1 * English/Chinese User Manual