Model: JR-TL11- Type: Half-In-Ear- BT Version: V5.3- Audio Decoding: AAC/SBC- Supported Protocols: HSP/HFP/A2DP/AVRCP- Speaker Sensitivity: 100±3dB- Range Frequency Response: 20Hz-20kHz- Headphone Battery Capacity: 35mAh- Charging Case Battery Capacity: 240mAh- Speaker Impedance: 32Ω- Rated Power: 3mW- Speaker: Φ13mm- Music Time: 6h (Level 70% Volume)- Talk Time: 4 Hrs (70% Volume)- Standby Time (Connection): Approx. 48 Hrs- Input: DC 5V/1A- Charging Input Port: Type-C- Number Of Cycles: Approx. 2.5 Times- Headphone Charging Time: About 1.5h- Case Charging Time: About1.5h - Waterproof: IPX4- Case Size: 50.0*50.4*23.0mm- Headphone Size: 30.0*16.5*17.1mm- Material: ABS