Waterproof: This Headset Is Waterproof And Is perfect For Outdoor Activities Such As Running And Fitness. Bluetooth 5.3: Using Bluetooth 5.3, These Headphones Provide Stable And Fast Connection To Your Device. Volume Control: The Volume Control Feature Allows You To Adjust The Sound Without Having To Reach For Your Device. Earhook: The Earhook Design Ensures That The Earphones Stay In Place During Physical Activity. Bluetooth V5.0 Kit, Ultra-Low Power Consumption, Lossless And Stable Transmission Sound Diaphragm: Aluminized Liquid Crystal Polymer Diaphragm Sound Unit: 10mm Customized Hi-Fi Micro-Full-Range Unit Acoustic Structure: Closed Magnet Type: Ndfeb Frequency Response Range: 50HZ-20KHZ Impedance: 16ohm Sensitivity: 983DB Maximum Output Performance: 3mw(Iec) Connect: Bluetooth 5.0, Effective Distance Within 10m, Supports Headset (Hsp1.2) Handsfree (Hfp1.6), A2dp1.3 And Avrcp1.6 Connection Standards Charging Compartment: Type-C Interface Audio: AAC, , And CVSD Audio Codecs Universal Hi-Fi Sound Quality Adaptive Noise Reduction True Wireless Stereo Waterproof And Dustproof Microphone Digital Silicon Wheat Sixth Generation Call Noise Reduction Technology Omnidirectional Microphone Battery Life: A Single Z9 With Charging Case Can For 24 Hours Or Talk For 20 Hours A Single Fully Z9 Can For 9 Hours Or Talk For 8 Hours Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use,The picture shows a high-definition rendering. Colour:Pink Material:ABS Package Contents: 1 Pair x Z9 Wireless Headphones 1 x Charging Compartment 1 Set x Multi-Size Earplugs 1 x Type-C Charging Cable 1 x Chinese And English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.