Wireless Bluetooth Sports Earphones. Specifications: With Microphone: Yes Wireless Type: Bluetooth Waterproof: Yes Volume Control: Yes Vocalism Principle: Dynamic Support Memory Card: No Support APP: No Style: In-ear Sensitivity: 102dB Resistance: 16 Plug Type: Line Type Number Of Drivers: 2 Model Number: True Free 2 Magnet Type: Other Impedance Range: Up to 32 Earcups Type: Semi-open Driver Diameter: 6mm Control Button: Yes Connectors: Type C Communication: True Wireless Charging Method: CABLE Bluetooth Version: 5.0 Sensitivity: 1023dB Resistance: 16 Codecs: SBC Waterproof Rating: IPX7 Bluetooth Version: Bluetooth 5.0 Bluetooth Prole: HSP ,HFP , A2DP,AVRCP Bluetooth Chipset:RTL8763VHC Maximun Working Range: 33feet/10m(no Abstacle) Playing Time: About 4 Hours Earbuds Charging Time: About 2 Hours Charging Case Charging Time: About 2 Hours Charging Case Recharge Earphones: 4 Times Earbud Power Capacity: 3.7V/43mah Charging Case Power Capacity: 3.7V/380mah Earbud Dimension(L*W*H): 27.7*20.8*24.9mm Earbud Weight: 4.8g Charging Case Dimension(L*W*H): 71.8*37.8*32.4mm Charging Case Weight: 33g Package Included: 1x Sound PEATS True Free 2 Bluetooth Earbuds 1x Type-C Charging Cable 6x Interchangeable Ear Tips 1x Charging Case 1x User Manual . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.