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360 degree rotation volume control, the sound of the audio is under your control.
Built-in Microphone lets you take your call through this receiver.
With Bluetooth 4.1 technology, you'll not only enjoy superior music quality, but also the convenience of wireless connection.

Specifications:
Latest Bluetooth 4.1 technology.
Supports all compatible Bluetooth enabled device.
Built-in microphone.
3.5 mm jack stereo audio output.
Support A2DP stereo profile.
Echo and noise canceling function for clear conversations.
Music player controls: VOL+, VOL-
You can achieve music operations and phone operations by control button.

Instructions:
Model: B3510

Function:
1. Play/Pause/Answer : Click the multifunction button
2. Next : Press the multifunction button for twice
3. Siri mode (Voice input mode): Press the multifunction button for 2 seconds when standby
4. VOL+: Rotate the multifunction button to the right
5. VOL-: Rotate the multifunction button to the left

Packing List:
1 pc Bluetooth Receiver
1 pc Sticker
1 pc User Manual