Packing list • bluetooth headset (left and right) • headset power box • usb charging cable • user's guide • beautiful packaging usb charging port ear storage bin product name: fit pro .touch control • bluetooth connection name: fit pro • bluetooth version:5.0 • power input: dc 5v • headset battery capacity: 3.7v/ 40mah • call/ play time: about 5 hours (hours) • charging time: about 60 minutes (min) • charge box battery capacity: 3.7v/ 350 mah • support agreement: hsp / hfp /a2dp / avrcp • sensitivity: 120 ‡ 5db