Feature:Compatible with all Bluetooth-compatible devices: Compatible for IOS and Android phones, tablets, etc. Product name: Headphones Bluetooth-compatible version: V5.1+EDR Wireless frequency: 2.4GHZ Supported protocols: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10 meters Battery capacity: 50mAh Charging voltage/current: 5V/1A Play/talk time: about 4-6 hours Charging time: about 1 hour Standby time: 120 hours Speaker impedance: &phi;8MM 32&Omega; Microphone sensitivity: -42Db Working temperature: -10-50_�� Packing list: 1 x Headphones 1 x USB Charging Device 1 x Instructions Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

HBQ-Q32 Single Wireless Bluetooth 5.1 Headset USB Charging Hanging Ear Business Sports Earbuds With Microphone USB Single Ear