Wireless headset version: 5.0+EDR <br>Transmission range: 10M <br>Earplugs working time: about 4 hours <br>Play time: about 3-4.5 hours <br>Earplug charging time: 30 minutes <br>Earplugs: 50 mAh*2 <br>Charging box: 400 mAh <br>Product size: 70*70* 30MM"
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