Product Name: Headphones; Bluetooth-compatible version: version 5.2; Bluetooth-compatible distance: about 10 meters; Battery: 300MAH; Listening to songs and talking time: about 30 hours; Charging time: about 2 hours; Function: universal for left and right ears, rotatable; Battery type: lithium polymer battery; Support protocol: HEPHSPA2DAVRCP; Process material: ABS + electroplating + food silicone ear caps; Frequency: 20Hz-20KHz; Impedance: 32 ohms; Sensitivity: 85dB/mW; Waterproof grade: IPX 5; Headphone size: 7.2 x 6 x 2.1CM; Headphone weight: 12.6G; Packing list: 1 x Bluetooth-compatible Headset 1 x Manual 1 x USB Cable 1 x Packing Bag 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>

Q20 Business Bluetooth-compatible Headset Digital Display Ear-hook Headphones Stereo Noise Reduction Earphone black