Wireless version: bluetooth 5.3
product material: abs
speaker diaphragm: pet
call sensitivity: 42db/±3db
headphone distortion: 1k / 5%
headphone battery capacity: 200 mah
call time: up to 20 hours
play music time: up to 20 hours
magnet type: ndfeb n40
frequency range: 20hz - 20khz
speaker impedance: 32ω
charging voltage: 5v
connection distance: 10 meters
supporting agreements: hfp, hsp, a2dp, avrcp, opp, pbap
compatibility: supports ios and android digital devices
audio features: extra high bass and high-end sound quality
microphone: built-in hd microphone for hands-free communication
perfect for workout and travel
supports tf card