Features: 1. Independent Sound Chambers with 10MM Titanium Film Drivers——Produces accurate vocals, powerful low frequencies and balanced mid frequencies. 2. Portable charger with built-in large capacity battery: Coming with 520m - Ah charger combines with portable storage, ultra-convenient to charge the earphones and store. 3. Ergonomical design, ultra-lightweight, free of burden with long time wearing, the eye-catching is extremely durable and anti-wear. 4. bluetooth V5.0 & 10M Obstacle-free Connection——Releasing the hands and enables you to get rid of the wired constraint. 5. Easy To Use——When removed from the charging box, the earbuds automatically power on and connect to the previously paired device. They will also automatically turn off when placed back into the charging box. 6. IPX7 waterproof, it can be underwater for about 30 minutes within 10 meters. 7. Smart Control——You can operate with a tap, and you can react with a click through your hair. You will fall in love with this headset. - Specifications:General Specification Model X26 Color Black, Silver, Red Wearing Type In-ear Material ABS+Metal Net Weight (g) 5g*2 Dimensions (cm/ inch) Earphone:13.8*18*26MM Charging Case: 80*36*30MMTechnical Parameters Microphone Yes Wired Control Not support Control Type Wireless Connection Charging Interface USB bluetooth Version 5.0 Support Porfile HSP/HFP/A2DP/AVRCP/SPP/PBAP Transmission Distance 10m Waterproof Level IPX7 Receive Sensitivity 99±3d - B Impedance 16Ω Frequency Response 2.402-2.48KHz Battery Capacity Earphone: 50m - Ah, 3.7V Charging Case: 800m - Ah, 3.7V Charging Time (h) 1-2h Taking Time 8h Working Time (h) 8h Standby Time (h) 48h - Package Included: 1* Earphone With Charging Case 1*Charging Case 2 pairs of Earcaps 1*Manual