TRUE WIRELESS F9 EARBUDS WITH STEREO high quality deep bass sound .Its a comfortable fit with great sound and long time working earbuds.This is absolutely a great companion for listening to music and calls at all times even in work outs
protocol;supports hfp1.7,hsp 1.2,AVRCP 1.6,SPP 1.2 and PBAP 1.0
Functions: one-button operation, high-definition call, play pause, answer hang up, summon Siri, volume adjustment, switch songs, power on, power on, automatic pairing, intelligent noise reduction, no delay in the game.
wirelss
handsfree
digital
powerbank.
Specifications
Key Features
standby time650h
frequency-2402mhz-2480mhz
battery 3.7v>50ma li bat
charging 1-2 hours
working temparature -1055 degrees
case-input 5v--1a,output 5v--1a,batt type 3.7v,charging time 1-2hr