Wireless Bluetooth speaker portable audio

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All dimensions are measured manually. There may be 1cm ~ 2cm error. I hope you can understand!

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How to use the function:1. Clear the Bluetooth list and disable the bluetooth function on the phone.2. Turn on both of the speakers at the same time， and you will find the blue light flashing on two speakers.3. Click either of the speakers one or two times， then the two speakers will be paired with each other automatically， meanwhile you can see blue light flashing on only one speaker.4. Enable the bluetooth function and search "BM3DA" to connect with.Technical SpecificationsDimension:φ36.8x43mmNet weight: 47.5gSpeaker: Magnetically Shielded 33mm (4Ω)Loudspeaker output:3WSignal-to-noise:≥80dBBattery: 3.7V/300mAhCharging voltage:5V [USB]Battery Charging Time:2.5 Hours (Min.)Bluetooth SpecificationsOperating Frequency Range:2.4GHz-2.48GHzWireless Range: 10 metres [33feet](Max.)Bluetooth Compliant: V5.0Bluetooth Profile Support:A2DP，HFP，HSPBluetooth Playback Time:6 hours (Max.)