headset stereo u19 macaron / handsfree extra bass headset stereo u19 macaron / handsfree extra bassheadset stereo u19 macaron suara jamin bagus ready warna Putih abu-abu kuning biru pink hijau hitam Navy tolong sertakan warna di keterangan iya jika yang gak sertakan warna maka akan kami kirim warna random dan jika gak mau ganti warna beritahu yang di pesan gak ada cancel Lava: Drive unit: 15mm / 6u (true copper ring horn) Sensitivity: 110dB Frequency Response Range: 20Hz--20KHz Package Includes: 1 x earphone Dikirim dalam tas Product features: 1)lightning interface, headphones with automatic upgrade chip, don't have to worry about the iPhone version upgrade; 2) functions such as up and down song selection, volume control, pause and call can be realized. 3) imported chips, lossless digital sound quality; 4) ultra-thin diaphragm copper ring horn, bass effect.