YJ33 Bluetooth Earphones Noise Reduction Wireless Earhooks with Touch Control Charging Case - Nude• 【Open-Ear Design】The YJ33 features an open-ear design for a comfortable and awareness-enhancing listening experience.• 【Long Battery Life】Enjoy extended use with a mature standby time of up to 180 days,perfect for infrequent users.• 【Bluetooth 5.4 Connectivity】Equipped with the latest Bluetooth 5.4 technology for stable and efficient wireless connection.• 【High-resolution Driver Unit】HiFi Sound and Three Frequency Balance,large-sized driver,vast sound field,metal plating diaphragm,expressive high analysis,bringing a high frequency of agile and pleasant ears• 【Full Color Smart Screen,Rich Function to Control】Full color touch screen,call to answer,music playback,and the functions such as EQ settings are in control Specifications:• Model: YJ33• Bluetooth Version: 5.4• Transmission Range: 10-15 meters• Charging Time: Approximately 2 hours• Charging Case Capacity: 600mAh• Earbuds Battery Capacity: 80mAh• Standby Time: 180 days• Charging Port: Type-C• Frequency Response: 20Hz-20KHz Package included:• 1 x Charging Case• 2 x Earphones• 1 x Charging Cable• 1 x Chinese and English Manual