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<ul><li>Product details of Hoco BS31 Bright Sound Sports Wireless speaker</li><li>BS31 Bright sound wireless speaker V4.2 with 500mAh class A polymer lithium battery for 3 hours of music and calls1. Speaker: 53mm.</li><li>Size: 86*86*44mm, weight: 140g.</li><li>Wireless V4.2 JL.</li><li>Supporting protocols A2DP, AVRCP, HFP, HSP.</li><li>Support Wireless, TF card, AUX mode play.</li><li>Charging voltage DC5V, charging time: about 2 hours.</li><li>Call/music time: about 3 hours.</li><li>Class A polymer battery: 500mAh.</li></ul>

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