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80% ORDERS ARRIVE WITHIN 9 - 12 BUSINESS DAYS:
This item can be searched by below relevant keywords: bluetooth intercom earphone for motorcycle helmet riding headphone music
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Description

description:
button set the caller answer automatically satisfy different environment customers
bluetooth version upgrade bluetooth customer use better
packaging volume and weight smaller and convenient transportation
price optimization compared with other styles has higher cost performance and stronger market competitiveness
specification:
working voltage: dc5v
bluetooth version: 2bredr
support bluetooth protocol: suppore a2dp avctp avdtp avrcp gap gatt rfcomm l2cap profile
effective distance: 10-15 meters barrier meters
frequency: ghz 480ghz
distortion: -70db
data transmission rate: 300kb s
audio coding specification: sbc
transmission power: 4dbm
signal noise ratio: >90db
sensitivity: -85db
bluetooth connection time: 5-7s
charge time: than hours
standby time: than hours
continuous working time: than hours
package included:
x motorcycle helmet earphone