Wireless Earbuds Bluetooth in Ear-Weight Headphones Built-in Microphone Immersive Sound with Charging Case Specification: Product Name: Wireless Earbuds Product color: Black Material:ABS Net weight: 0.099lbs(0.045kg) Gross weight: 0.32lbs(0.100kg) Headset charging compartment Dimensions: 2.56x1.30x0.87inches (6.5x3.3x2.2cm) Packing size: 4.33x3.07x1.65inches (11x7.8x4.2cm) Features: LED Power Display for Charging Case: bluetooth headphones charging case with led power Display shows remaining P-OWER IN percentage.Charging case presents its battery from 1% to. For the right or the left earbuds, while the earbud is chariging, the led bars of the earbud will flash, once the earbud are fully charged, the led bars of the earbud have no flashing. ENC: 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 A-NSWER and reject phone, volume adjustment, music ,voice assisatant. Stereo sound,handsfree calling during sports anytime and anywhere. lightweight and compatible for small ear: The surface and Angle of earbuds in-ear part have been polished and refined repeatedly to achieve a between beauty and comfort and comfortable to wear. Likewise, a earbud weighs o-nly 3.9 g, making it as as a feather and discreet in the ear. Ergonomic design provides a comfortable and secure fit that doesn’t protrude from your ears especially for Sports, Workout, G-ym. O-NE STEP Auto Pairing. Picking up Earphones from charging case,they will power on and pair with each other automatically.Then active mobile phone bluetooth to connect. the first successful connection,the sports earbuds will automatically connect to the last paired device when R-EBOOT. Engineered design for sports. A-djustable and secure fit ear hooks and ergonomic design ensure the sports earbuds stay comfortably firm in place when doing sports, running,other outside activity etc. Even do strenuous exercise, the earbuds will fall off. And IP57 splashproof protects the sports wireless earphones from water drop or sweat damage Extra large D-YNAMIC sound for enhanced sound and powerful,360 degree A-djustable angle for ear hooks.Five built-in equalizer presets to experience different EQ sounds for different songs,Long press on right earbud to EQ.Sound enhancement,Equalization, B-OOST,Vocal Enhancement,Treble enhancement.IP57 and sweat proof, charging case with slot to store extra ear hooks, USB charging power supply.Beautiful appearance design Notes: Earbuds Battery capacity and type : 40mAh Charging case Battery capacity and type : 400mAh Connection : TYPE-C Product : ABS+PC Bluetooth version: V5.1 Transmission distance: about 15m Playback time: 5hrs Charging (headphone): 2hrs Charging (charging bin): 1hrs Frequency range: 20 Hz - 18 kHz Input Voltage: 5V USB-C Package Include: 1x Wireless Earbuds 1x USB charging line 1x Charging Case 1x Specification