【Brand New, Unused】 I am selling this item, which has been kept unopened since purchase. 【Specifications】 Maximum Input (mW): DC5V/500mA (Max) Driver Type: Hybrid type with 8φmm dynamic driver and balanced armature driver Built-in Microphone for Calls: Qualcomm cVc noise cancellation (only during calls) *Knowles microphone Battery Capacity: Earphones: 50mAh / Charging Case: 500mAh Maximum Talk Time: 6 hours Maximum Continuous Playback Time: 9.5 hours (up to 45 hours with charging case) Earphone Body Charging Time: Approximately 1.5 hours Number of times the charging case can charge the earphones: 4 times Charging Port: USB Type C Waterproof Performance: IPX4 equivalent Weight: Earphone Body: 5.7g / Charging Case: 83.8g Bluetooth Version: 5.2 Multipairing: 4 devices Multipairing: 2 devices Supported Codecs: AAC, SBC, Qualcomm aptX, Qualcomm aptX Adaptive Supported Profiles: A2DP, HFP, HSP, AVRCP Compatible App: AVIOT SOUND XXX Accessories: Silicone eartips S/M/L each 1 pair, Foam eartips S/M/L each 1 pair, User Manual