• V4.1 Bluetooth version, fast connection and low power consumption

• Convenient magnetic design: Built-in magnet attracts the earplugs when you don't need them

• Neckband design: around-the-neck wearing style with body-contoured fit 
  

• Noise canceling ensure stable quality & stereo sound

• Bluetooth range can reach 10m in an open area

• You can adjust volume by pressing "+" and "-" buttons
  

• Flexible and lightweight design, provides you a comfortable fit
  

Specification:

• Bluetooth version: 4.1

• Bluetooth name: V8

• Charging current: Micro USB 5V

• Charging time: 2 hours

• Battery: 3.7V/400mAH

• Standby time: 120h

• Working time: 3-5hours

• Working current: 10-20mA

• Bluetooth working range: 10m

• Output power: 2 x 18mW

• Frequency range: 2.401-2.480GHz

• Distortion factor: ≤1%

• Speaker: 16Ω 20mW x 2

• Frequency response: 20Hz-20KHz

• SNR: ≥95

• Working environment: -10-60°C

Compatible with:

• iPhone X / 8 / 8 Plus

• Samsung Galaxy S8 / S8 Edge

• Huawei P10 / P10 Plus

• Other iPhone, Samsung, Huawei, Sony, HTC etc. smartphones and tablets with Bluetooth 4.1 version