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BT S2 Bluetooth Intercom Headset Review Unboxing How to Install Shortcuts

The seller is happylikelive and is located in this country CN. Working voltage 3.3V-4.2V. The speaker power 0.25W. 2x v6 1200m interphone motorbike motorcycle helmet intercom fm headset gps bt uk the actual distance depends on the weather, terrain, possible obstacles large vehicles or invisible buildings etc.