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$14.02 , buy KO-STAR W21 Portable Sports Magnetic Headsets Bluetooth Neckband Headphones Wireless Earphones with Dual Batteries – Black from the wholesale webshop online.

Product Description

KO-STAR W21 Portable Sports Magnetic Headsets Bluetooth Neckband Headphones Wireless Earphones with Dual Batteries – Black
  • Bluetooth earphone with card reader: can also listen to music without a mobile phone, support plug-in card play, maximum support 64g memory card

  • Connected with two different Bluetooth devices: smart one drag two, you can connect two mobile phones at the same time when listening to songs, you are not afraid to leave the work phone

  • Magnetic design: It can be easily closed and hung on the chest to prevent the earphone from winding and is easy to carry

  • Fast pairing: Memory connection function, connect a boot, automatic connection, simple operation, absolutely cumbersome

  • Bluetooth version 5.0: more stable, faster transfer,  lower consumption

Specifications:

  • Bluetooth chip: version 5.0

  • Bluetooth protocol: HSP, HFP, A2DP, and AVRCP

  • Working distance: 10m

  • Battery: dual battery 1000mAh

  • Drive unit: 12mm neodymium iron boron

  • Sensitivity: 100dB±3dB

  • Frequency: 20-20KHz

  • Audio signal to noise ratio: 98dB

  • Working time: 100 hours

Package included:

  • 1 x Headset
  • 1 x English and Chinese Manual
  • Other items not included

Specifications

Brand N/A
Color Black
Retail Packaging Colored Box
User Manual (Language) English and Chinese
Gross Weight 0.392kg
Volume Weight 0.043kg
Package Length 16.000cm
Package Width 6.000cm
Package Height 2.000cm
One Package Weight 0.350kg
With Retail Packaging Yes
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