Bluetooth headset wireless mini small invisible sports in-ear binaural earplugs driving unisex running waterproof headphones can answer the phone

Product Name: Niye / Resistant also i7

*Features: Call function 

*Headphone material: plastic 

*Channel: 2 *Bluetooth version: 4.2 

*Color classification: White: no flashing light + charging 20 times + mobile phone emergency charging, black: no flashing light + charging 20 times + mobile phone emergency charging 

*Transmission radius: 10m 

 *Transmission radius: 10m