Product Name: Bluetooth 5.0 Tws Earbuds LED Display Power Bank Headset Model NO.: F9-5 Customized: Customized Principle: Capacitive Structure: Open Earpad Size: One Size Color: Black Line-Control: Without Line-Control Appearance: in-Ear Type: Bluetooth Frequency Response: 20Hz-20kHz Brand: OEM Wireless Type: Bluetooth Compatible: All Smart Devices with Bluetooth Package: Standard Package Wireless Charging: Yes Talk Time: 3 Hours. Bluetooth Distance: 10m Wear Method: in Ear Bluetooth Version: V5.0 Battery Box Battery: Lithium Battery: 2000mAh Waterproof: Ipx7 Battery Capacity: 50mAh Charging Voltage: 5V Charging Time: 1-2 Hours Trademark: Neture Transport Package: Standard Package Origin: China HS Code: 8518309000 Product Description F9-5 TWS Bluetooth Earphone Earbuds Digital LED Display Headset Touch Button True Wireless Earphones Sport Stereo HeadphonesDescription:Bluetooth version: V5.0Wireless frequency: 2.4GHZSupport: IOS , Android, Microsof and and Other Bluetooth-enabled deviceSupport: HFP 1.7, HSP 1.2, A2DP 1, AVRCP1.6, SPP 1.2 and PBAP 1.0Charging voltage / current: 5V / 1AMusic time: 120 hours, equipped with charging binPhone talking time: 150 hours, equipped with charging binCharging time:1-2hoursTransmission Distance:10mWorking Temperature:10-50ºCParameter:Speaker impedance: φ8MM 32ΩMicrophone sensitivity: -42DbFrequency response range: 20-20000HzSensitivity: 120dB+/-5dBColor: Black;whiteHeadphone battery capacity: 50mAh / single, with protection boardCharging box battery capacity: 2000mAh, with protection boardUSB charging: the headset is full of 1hour, the base is full of 2hoursPackage Included:2 x Mini Bluetooth headphones (left and right)1 x Charging Box1 x USB charging Cable1 x Instruction Manual