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Plantronics BackBeat 505 / 500 Series Wireless Sport Bluetooth Headphones and 18 Hours Talk / Music Time - Bluetooth 4.1; HSP 1.2 and HFP 1.6 (HD Voice) Stream Media A2DP V1.2 & AVRCP v1.4 - Black - Walmart.com
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BackBeat 500 – Global Communication
Plantronics BackBeat 500 raises the bar for cheap on-ear Bluetooth headphones - CNET