Wireless Bluetooth 5.0 Earbuds MD03 Stereo Headset E3W4 V3Y3 Product description:Bluetooth headphones are mainly made of safe and plastic for a long service life Wireless earbuds are , have automatic pairing and control Bluetooth earphones have flexible and non-slip hooks that are comfortable and stable to wear The sports headphones have smart chip for high definition calls and DSP enhanced sound effect for you to enjoy HiFi sound quality experience The earbuds have a smart LED cold light digital display to see the charging compartment and earbuds power at a glance Product Specifications: Chip: LAN Xun Jie Li Bluetooth version: 5.0 Working voltage: 3.2V ~ 3.4V Headphone Speaker: 8mm Earphone battery capacity: 50mah Storage box battery capacity: 450mah Transmission distance: > 10m Talk time: 4-5 hours play time: 4-5 hours Charging time: 1.5 hours Support system: all Bluetooth devices and mobile phones Product content: Charging box * 1, headset: LR, data cable * 1