Foldable Retractable Bluetooth Headphones Neckband Wireless Earbuds Noise Cancelling Stereo Headset with Mic for Sport&Exercise


SKU: 3256803263601495 Category:



1.BLUETOOTH HEADPHONES – These BT851 Bluetooth headphones provides fast stable low-power connection and powerful music performance at the range of 33ft/10m, with a CVC6.0 noise reduction microphone. These Bluetooth headphones filter out background noise to guarantee high-quality sound and provide you clearer voice for hands-free calls
2.RETRACTABLE HEADPHONES – The Bluetooth headset weight only 1.5oz, more lighter weight than other neckband headphones in the market. with the retract button. You can easily pull back the cables into the body and store the earbuds when you don’t use them and hang the headphones like a necklace around your neck.
3.BLUETOOTH EARPHONES – When there is an incoming call, these Bluetooth earphones will alert you by vibration, even if you are in sports or even in a noisy environment. And you can enjoy hands-free calling and easy control of all media features via buttons on both sides of the headset
4.WIRELESS EARBUDS – A quick charge of 2 hours provides a continuous conversation up to 10 hours, and 300 hours of standby, ideal for long-term use. It supports iOS device power display and low battery alarm, allowing you to enjoy your music without any worries
5.NECKBAND HEADSET- The latest neckband headphones can be easily and quickly pair with iPhone 12/11/X/Xs Max/XR/X/ 8/8 Plus, Samsung Galaxy S10 /S10+/S9 /S9+/S8 /S8+ and other Bluetooth enable devices


5 Reasons for Choosing Our Bluetooth Headphones:
1.Wide Compatibility, 851 Bluetooth retractable headphones is compatible with a large number of Bluetooth enabled devices, such as iPad, iPhone, Huawei phone, notebook computer and so on
2.It has Hands free call and call vibration prompt. The Bluetooth headsets will vibrate when calling, so you would never miss any calls even if you are in noisy environment. Enjoying the real hands-free life and free your hands!
3.The auto retractable design can expand the earphone cable to the length you need. You can say goodbye to the confused earphone cable by pressing on the automatic storing button, making your life better and more convenient
4.851 retractable Bluetooth retractable headphones connects two devices at the same time. First, you need to connect a device and then disconnect it. Second, connect the other device. Finally, reconnect the former one and the you’ll have them being connected at the same time.
5.851 Bluetooth retractable headphones are available in three languages. If you want to switch to another language, here are the English instruction. Turn on the headphone. After 3 seconds, switching the language through the long pressing on “play/pause” button. Remember that do not pair your headphone with your devices before switching the language.


Color: Black
Working Distance:≤33ft
Charging Time:≤ 2 hours
Talk Time:≥10 hours
Music Time:≥10 hours
Standby Time:≥300 hours
Item Weight: 1.5 ounces

Package Includes:

1 x Bluetooth Headphones
1 x USB Charging Cable
1 x User Manual
2 x Ear-Tips (L,S)


Customer satisfaction is very important to us.
If you have any problem with your order, please contact us and we will do our best to make you satisfied.

Foldable and Lightweight

The neckband headphones is foldable and very lightweight, allow you to fold the left and right part when no use. The included pouch bag can save you a lot of space and you can carry it to anywhere you want.

Auto Retractable Earbuds

The auto retractable earbuds allow you to pull the earbuds to the length you want and the earbuds wire can be pulled up to 28cm(11cm), perfect with your neck. Press the retract button to store the earbuds wire automatically, very convenient to use.

Wide Compatibility

The retractable bluetooth headphones can connect with 2 bluetooth device at the same time, Support iphone, ipad, Samsung or other bluetooth enabled devices. Sweatproof and more lightweight than other headphones, good for outdoor sports.

Stereo Hi-Fi Sound

CSR Bluetooth 5.0 chipset and advanced noise cancellation technology blocks the buzzing/humming noise around, offers Hi-Fi stereo sound with super bass, you can enjoy high quality sound even in a noisy environment, brings you fantastic music experience.

Long-lasting Battery life

Support more than 16 hours music time, 18 hours talking time and 300 hours standby time per charge, charge is very fast, you can use it for all day work after fully charged the headphones.

Incoming Call Vibration Reminder

The headphones will vibrate and then broadcast phone number, you will never miss any call even if you are in very noisy environment.

Additional information


Silica gel


Earphones & Headphones

Charging Method


Impedance Range

up to 32 Ω

Bluetooth Version


Package List

User Manual,Carrying Bag,Charging Cable,Replaceable Pads Set


waterproof,With Microphone,Active Noice Cancelling

With Microphone


Is wireless


Support APP


Support Memory Card




Plug Type



for Video Game,For Mobile Phone,Sport

Active Noise-Cancellation


Volume Control


Control Button


Vocalism Principle


Wireless Type





True Wireless






Mainland China

Brand Name


Line Length


Number Of Drivers


Model Number

SX 991

Frequency Response Range

20 – 20000Hz

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