Bluetooth Version:Aroha 1526P 5.0
Frequency Range:2.402GHZ~2.480GHz ISM Band
Radio Emission Standard:CLASS 2
Signal Distance:About 10-15 meters
Frequency Response:20HZ-20KHZ
Status Indicator:LED indicator、voice reminding
Compatibility:Device with bluetooth function such as cellphone/pc/ipad/mid etc
Battery:polymer lithium rechargeable battery 3.7V/700mah inside charging box, 50mah inside earphones
Charger Output:DC 5V-1A
Charge Time:About 1hrs for earphones, 1.5hrs for charging box
Continuous Play or Call Time:Earphones around 4hrs one time
Functions:long standby time, touch controls answer/reject/hang up a call, play/pause a music. volume+/-, pre/next a song. IPX8 waterproof