IPX7 waterproof / Apt-X coding

IPX4 waterproof

300mAh charging case / Qualcomm QCC3040 chip / Apt-X audio / dual mic w/ ENC noise reduction / IPX5 waterproof

400mAh charging case / w/ lanyard / in-ear wearing detection / SBC/AAC decoding / supports wireless charging / IP55 waterproof

handsfree call / CVC noise reduction / 3D surround sound / IPX5 waterproof / touch control / ergonomic wear design

supports FM radio / microSD card / blue

LED display / FM radio / alarm clock / supports up to 32GB microSD / aux-in

w/ HD condenser mic / 1BA+1DD / acoustic black technology / high-purity silver-plated wire / 0.75mm standard gold plated pin

3-LED flashlight / emergency charger for smartphone / built-in speaker

display / optical fiber/coaxial/AUX transmission

supports stereo headset / music control (play/pause/forward/backward) / auto pairing / auto stand-by

supports 4K

hands-free calls / CVC 6.0 noise reduction

250mAh charging case / intelligent noise reduction / fingerprint touch / quick connect / waterproof design / HD sound quality

4K

OLED digital display / AUX in & out / plug & play

300mAh charging case / handsfree call / voice control / touch control / stereo sound / noise reduction / water resistant

supports U disk

400mAh charging case / LED power display / voice control / CVC noise reduction / water resistant & sweatproof / lanyard design

handsfree call / DSP digital noise reduction / last number redial / iOS battery display / multipoint connection / Android/iOS compatible