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Personal Speaker & Headphone 2-in-1


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Product ID: BTHS-NB03-BLK

Personal Speaker & Headphone 2-in-1 - NB03

Foldable Bluetooth Neckband Headphones Speaker, Portable Wireless Around The Neck Wearable Speaker With Retractable Earbuds and Mic
  • SPEAKER & HEADPHONES 2-IN-1: It’s so simple to switch between in-ear headphones and surround-sound speakers. Private time with earbuds and public time with sound-out speaker, is just simply a switch away.
  • PORTABLE & WEARABLE SPEAKER: Free up your hands and ears, with this wearable speaker on your neck, you can enjoy music no matter you are doing housework indoor or walking dogs outdoor.
  • SUPPERIOR SOUND & EQ MUSIC MODE: Hear robust bass and crisp treble-balanced sound, as the high-performance premium drivers boast CVC6.0 noise-cancellation technology. What’s more, its three music mode Low bass boost, normal or high pitch boost. allow you choose your favorite sound effect based on different music styles.
  • USER FRIENDLY UI DESIGN: You can make calls, choose music tracks and switch listening modes, and more, super simply with the hands-free capability, function buttons, vibration alert, voice prompt. Thanks to its anti-lost design, when the distance between paired device and NB03 is over 10m, It will prompt voice “beyond the range of connections” to remind you!
  • MULTIPOINT & LONG BATTERY LIFE: NB03 can work with 2 Bluetooth devices at the same time and Its Fast Charging & Super-Long Battery Life features allow you spend more time using your headphones, or speakers!


Pre-release Date & Pre-order Expected Delivery Date:

  • Aug. 1, 2017 on
  • Aug. 10, 2017 on Amazon US

Estimated Release Date:

  • Aug. 20, 2017 on
  • Oct. 27, 2017 on Amazon US, CA, UK, DE, FR, IT, ES


Product ID: BTHS-NB03-BLK
  • Specification
  • Video Guide
  • FAQ & Warranty
  • Related Products
  • Manual & Driver


NB03 is an innovative Bluetooth foldable neckband headset. Its unique creative external speakers and retractable earbuds design allows you have amazing comfort while listening to your tunes by yourself or share music, audio books with friends!



* Bluetooth version: 4.1
* Support profiles: HSP,HFP, A2DP, AVRCP
* Operational range: Class 2, up to 10 meters
* Product size:
* Product weight: 134g/ 0.29lb
* Frequency range: 2.4026~2.480GHz
* Charge time: ≤3hours
* Standby time: ≥400hours
* Talk time of headphones: 34hours
* Music time of headphones: 32hours
* Talk time of speakers: 15hours
* Music time of speakers: 5hours


What's in the box

* Avantree NB03 (BTHS-NB03-BLK)
* USB charging cable
* Carrying Case
* Quick user guide