[Product Information]

[Hi-Fi Stereo Music Sound]: The latest bluetooth 4.1 version， CSR8645 chip with 6G CVC noise cancelling technology to ensure high quality music， clear phone calls and lower power consumption. effective connection distance is about 10meters (Depending on environment， mobile phone and headset line distance).
[Convenient Foldable and Retractable Earbuds Design]: Convenient for storage in your bag or pocket with the foldable function， no need to worry the headset will break off. Retractable earbuds with individual button on each side， easy to adjust the cable length just by one press to retract the earbuds.
[Neckband Wearing Style]: Wears comfortable and can decrease the burden on ears， just like a necklace around your neck， very sporty and stylish. Sweatproof， lightweight (about 2.6oz) and neckband design providing you with a comfortable hands free experience， perfect for outdoor sports running.
[Outstanding Long Battery Life]: Stand-by time up to 300 hours， music time up to 16 hours and talking time up to 18 hours. With every about 3.5 hours charging， you can just enjoy your wireless sport/music time without any worry.
[Never Miss a Call]: Vibration for incoming call and broadcast phone number， will never miss any phone call when you are doing exercise or even in a noisy environment.