Buy One Get One Free Hifi Stereo IN-Ear Earbud Sports Wireless Headphones Plus Levelu

Headphone Type: IN-Ear Headphones bluetooth Protocol: Hfp/hsp/a2dp/avrcp earphones Battery Capacity: 50mah charging Box Battery Capacity: 2000 Mah charges The Earphones Fully: 8 To 10 Times music Time: 3 To 4 Hours (related To Playback Volume) call Time: 3.5 Hours bluetooth Distance: About 10 Meters waterproof: Ipx7 Waterproof connection Method: Single/double Free To Use color: Black/white function: Music Play / Pause, Call Answering Noise Reduction, Ios Power Display, Voice Prompt bluetooth Version: V5.0 compatible Devices: Bluetooth Devices Such As For Xiaomi, Samsung, Apple, Huawei, Oppo, Vivo, Lenovo, Tablet, Etc. (with Bluetooth, You Need To Use A Bluetooth Adapter) headphone Charging Time: About 1 Hour charging Compartment Charging Time: About 1 Hour 1:smart Noise Reduction Voice Call, Good Design, Mobile Phone Connection, Standby Time, Not Easy To Sweat, Smart Chip Convenient Switching 2:comfortable To Wear To Create An Extraordinary Experience. The Collar D