Wireless Earbuds Bluetooth in Ear Light-Weight Headphones Built-in Microphone Immersive Sound with Charging Case Specification: Product Name: Wireless Earbuds Product color: Black Material:ABS Net weight: 0.075lbs(0.034kg) Gross weight: 0.19lbs(0.087kg) Packing size: 4.72x2.76x0.78inches (12x7x3cm) Features: 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 light flashing. The microphones of earbuds reduce background noise,make phone calls from stable signal and low power consumption.Each earbud has buttons to control the function of and reject phone, volume adjustment, music.Stereo sound,handsfree calling during sports anytime and anywhere. The and Angle of earbuds in-ear part have been polished and refined repeatedly to achieve a between beauty and comfort and make it comfortable to wear. 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. Stable 45ms-low latency, the sound can be located accurately,Stereo surround sound quality.Extra large sound for enhanced sound and powerful .experience different EQ sounds for different songs,Long press on right earbud to EQ.Sound enhancement,Equalization,,Vocal Enhancement,Treble enhancement. Package Include: 1x Bluetooth Earbuds 1x Headset compartment 1x Specification 1x USB Charger