WirelessEarbudsBluetooth in Ear Light-Weight Headphones Built-in Microphone Immersive Sound with Charging Case Specification: Product Name: Wireless Earbuds Product color: Black Material:PC Net weight: 0.08lbs(0.038kg) Gross weight: 0.14lbs(0.064kg) Headset charging compartment Dimensions: 1.73x1.73x0.87inches (4.4x4.4x2.2cm) Packing size: 5x3.94x1.38inches (12.7x10x3.5cm) Features: Smart T-ouch Control: Specific control function makes it more convenient, tap once to play/pause music and calls, double tap to forward/backward, hold to adjust the volume. You can easily control it without operating the phone. O-ne Step Pairing and Smart T-ouch Control: Open the lid of charging case and wireless headphones will automatically connect to the last paired device. Bluetooth headphones with intelligent t-ouch control button is multifunctional, such as play music, the call songs and activate. NEW &HIFI: The microphones of earbuds reduce background noise,make phone calls from stable signal and low power consumption.Each sport earbud has buttons to control the function of and reject phone, volume adjustment,music ,voice assisatant. Stereo sound,handsfree calling during sports anytime and anywhere. Ergonomic Design and Easy To Carry: Bluetooth earphones are ergonomic ear shapes to ensure a comfortable fit. Charging case is small,can be easily stowed in your pocket. Accurate LED Display and Exquisite Appearance: Wireless Earbud use the unique LED display technology to accurately display the remaining power of charging case. The look is glossy spray, creates a delicate and a exquisite appearance. Notes: Earbuds Battery capacity and type : 40mAh Charging case Battery capacity and type : 300mAh Connection : TYPE-C Product : PC Bluetooth version: V5.2 Transmission distance: about 10m Music Playback time: 7hrs Charging (headphone): 2hrs Charging (charging bin): 1.5hrs Frequency range: 50Hz - 24kHz Input Voltage: 5V USB-C Package Include: 1x Wireless Earbuds 1x USB charging line 1x Charging Case 1x Specification