JR-T15 True Wireless TWS Bluetooth Earphones Bilateral Wireless Headset Features: Lighter creative earphone design, refuse mediocrity and play with amazing music Push-button type, press to open the cover, One-Touch operation Medium-high level 5.0 BT chip, stable signal, smooth transmission and stable connection Out-and-connect, Plug-and-Play, easy operation, support main/auxiliary mode switch 14.2mm loud speaker, powerful bass and clear mic mid MEMS stable microphone, clear pure voice, flowing music Large capacity battery for charging case, 4 times cycle counts, 25H standby time Ipx5 waterproof, suitable for sports Specification: Model: JR-T15 Type: half in-ear BT version: V5.0 BT audio decoding: AAC MSBC SBC Supporting protocols: HFP HSP A2DP AVRCP Frequency response: 20Hz~20KHz Speaker sensitivity: 113±3dB Earphone battery capacity: 35mAh Case battery capacity: 400mAh Speaker impedance: 32Ω± Rated power: 3mW Speaker: 14.2mm Music time: 5H Talk time: 4.5H Standby t