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Frequency 2.402 ~ 2.80GHZ
Micro USB charging interface
Ambient Noise: <90bdB
Input: DC5V – 70mA
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Original 40mm dynamic speaker, sound basin technology, the sound quality is exquisite and rich
Hand-stitched and reinforced anti-shedding ear cotton, soft and comfortable to fit the ear
ABS + metal material
Remax RB-520HB wireless bluetooth v4.1 with AUX audio Cable Headphone, Built-in 300mAh Rechargeable Battery can use up to 14h of continuous hearing music. PU coated material, feels very smoothly without feeling heart ear when hearing, with fairly large diameter is 76mm ear Pointing Smart Noise Reduction.
● 3.5mm plug, easy to pair with most audio devices.
● Anti-twisting flat wire and the concave key design.
● It can realize 5000 times pluggable test.
● With noise reduction technology, bring you beautiful sound effect.
● HiFi stereo sound and strong deep bass, shut out the world and lose yourself in music.