I9/I9s Tws High Quality OEM Wireless Earbuds Blue Tooth 5.0

Wireless type: bluetooth,wifi plug type: wireless function: for mobile phone,for internet bar,for video game,monitor headphone,hifi headphone,for ipod,sport,common headphone connectors: none frequency response range: 20-22000hz waterproof: no communication: wireless active noise-cancellation: yes support memory card: no vocalism principle: other is wireless: yes model number: xxl150 support app: no sensitivity: 120±5db