Bluetooth version: v4.0 Chipset: csr 8645 Support profiles: hfp, hsp, avrcp and a2dp Audio profiles: aptx Operation range: 10 meters Talk time: about 4.5h Music time£ºabout 4.5h Standby time: about 180h Size: 402432mm Weight: 16.4g Built-in rechargeable 80mah lithium-ion polymer battery What¡¯s in the box Ds2 bluetooth headphones1 Eva carry case1 3 pairs of earbuds(s, m, l) Usb charging cable User manual
