Specification: Wireless version:V4.1 + EDR Wireless profiles:Hands free / Headset Transmission range:10 m Charging Power:AC input 110-240V DC output 5V (charging time / about 2 hours / charging voltage 3.7v) 4 hours talk time (music playback 3 hours / standby time 120 hours / working current <15mA) Noise MIC:special top silicon Marks Wearing styles:Ear / Stealth headphones patented product Battery type:50mA rechargeable lithium battery Dimensions:26.4x18.9x26mm How to use: Remove the left channel (L) headset and press the main button for 3 seconds. The headset traffic light flashes alternately to enter the matching mode. Turn on the phone Bluetooth search R-150 and click on the connection Remove the right channel (R) headphones Ress the main button until the green light flashe The right channel (R) headphones are automatically connected to the left channel (L) headphones. Successful pairing Package Includes： 2xEarbuds 2xWingtip 2xEartip 1xCharging case 1xUSB cable 1xQuick Start Guide
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