BY01 Little coconut ball original Open Wearable Stereo wireless Bluetooth earphones with mic

About OWS(Open Wearable Stereo) Adopting an open structure design, it does not need to be inserted into the ear when used, ensuring long-term comfort; at the same time, not inserting into the ear frees the ear canal, eliminates the stethoscope effect, and is more suitable for sports use; open listening also allows real-time perception of environmental sounds when wearing headphones, thereby improving safety. About charging: Please do not use fast charging, flash charging, car charging, fast charging power banks, etc. to charge the charging compartment! Product Features: 1.True Wireless Open Air Conduction Sport Headset; 2.Newest Bluetooth 5.3 +EDR; 3.Not In-Ear,open ear listening,air-conducted open audio,free the ear canal; 4.Comfortable to wear,Intelligent autonomous noise reduction; 5.16mm large Dynamic coil Speaker,HiFi level high fidelity sound quality. Product Specifications: Bluetooth version:5.3+EDR Compatible Protocols:A2DP.AVRCP.HFP.HSP Frequency Response: 20hz-20Khz Horn Unit: 16MM Bluetooth Distance: 10-15m Music Time: About 4-5 Hours Earphone battery capacity: 40mAh Charging Box battery capacity: 300mAh Headset charging time: About 1 Hours Product Color:Black,,Beige,Purple Packing list: 1x BY01 Bluetooth headset (left and right ear) 1x Charging Case 1x TypeC Charging Cable 1x User Manual 1x Retail Package