LIBMING Wireless Earbuds Bluetooth 5.0 with Wireless Charging Case IPX8 Waterproof Stereo Headphones in Ear Built in Mic Headset Premium Sound with Deep Bass Black

True Wireless Earbuds Bluetooth Headphones Touch Control with Wireless Charging Case Waterproof Stereo Earphones in-Ear Built-in Mic Headset Premium Deep Bass ,Sport Earbud & In-Ear Headphones Bluetooth version: V5.0+EDR, BLE Bluetooth specifications: HSP, HFP, A2DP, AVRCP Support decoding: SBC, AAC Transmission distance: effective distance above 14 meters Charging interface: Type-C Charging parameters: 5V=300mA (charging compartment) 5V=100mA (headset) Charging time: 1.5 hours (charging compartment) 1 hour (headphones) Battery capacity: 350mAh (charging compartment) 35mAh*2(headphone) Music battery life: 5.0 hours (earphones) 36 hours (with charging bin ? Waterproof grade: IPX8 earphone waterproof Product weight: 2g (single ear) 22g (charging compartment) Working temperature: -10-50? Accessories list: USB-Type-C charging cable manual Speaker type: dynamic Diaphragm material: PEEK+PU composite diaphragm Unit size: ?12.0mm, N45 neodymium magnet Sensitivity: 103±3dB @1KHz,126mV Impedance: 16? Frequency range: 20 Hz-20 KHz Rated power: 3mW MIC type: Silicon MIC Earbuds Microphone: double microphone (left and right) Sensitivity: -42±3dB (0dB=1V/Pa@1KHz) Signal to noise ratio: 60dB