Product Name: X4t 2018 Tws Wireless Earphone IP68 Waterproof Touch Headset with Wireless Charger Power Bank Model NO.: X4T Distance version: 10m Specifications: HFP Color: White Characteristics: Support Music Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 4.2 Usage: Mobile Phone, Call Center, MP3 & MP4, Computer, Game Player, DJ Style: In-ear Trademark: Neutral Transport Package: Standard Carton Specification: diameter 18mm Origin: China Product Description X4T 2018 TWS Wireless Earphone IP68 Waterproof TOUCH Headset with Wireless Charger Power BankSpecifications:1. Wirelessly Charge Cell Phones By Charging Case2. All functions are done by touch3. Support wireless charging for mobile4. Twins, true wireless stereo5. Chipset: CSR from Qualcomm in USA6. Wireless Version: 4.27. Frequency: 2.4GHz8. Wireless Range: one for about 15m, and a set for about 10m9. Receive sensivity: -90dBm10. Battery capacity of earphone: 85mAh11. Battery capacity of charging case: 5200mAh12. Special magnetic suction charging base13. Work time: one for 6-7 hours, and a set for 4-5 hours14. Standby time: one for 120 hours, and a set for 60 hours15. Charging time(for earphone and charging case): 2 hours16. Support one match two, connect two device17. Supports A2DP 1.3/HFP1.6/HSP1.2/AVRCP1.6/DI1.318. Adopt the advanced CVC6.0 active noise-cancellation19. Built-iin superior HD microphone, provide clear and loud sound