[LED Power Display for Charging Case] FK Trading sports bluetooth headphones charging case with led power Display shows remaining power in percentage.Charging case presents its battery from 1% to 100%. For the right or the left true wireless earbuds, while the earbud is chariging, the led bars of the earbud will flash, once the earbud are fully charged, the led bars of the earbud have no light flashing

[48Hrs Battery Life with Charging Case] Built in 650mAh charging case. The both earbuds can last for 6 Hours music time on a single 60 Minute charge. The charging case can charge the twin sports earbuds for 5 times, with the portable charging case you will get 36hrs playing music

[Engineered design for sports] Adjustable and secure fit silicone ear hooks and ergonomic design ensure the sports earbuds stay comfortably firm in place when doing sports, running,other outside activity etc.Equipped with 3 pairs of different sizes of spare ear caps for options. Even do strenuous exercise, the earbuds will not fall off. And IPX7 splashproof protects the sports wireless earphones from water drop or sweat damage.

[One Step Auto Pairing] Picking up FK Trading sports Earphones from charging case,they will power on and pair with each other automatically.Then activate mobile phone bluetooth to search “T59” to connect. After the first successful connection,the sports earbuds will automatically connect to the last paired device when reboot.When using single earphone, just take out the second one to achieve seamless transformation between single mode and twin mode.

[Sound Quality] The microphones of earbuds reduce background noise,make phone calls from stable signal and low power consumption.Each sport earbud has buttons to control the function of answer and reject phone, volume adjustment,switch music ,voice assisatant. Stereo sound,handsfree calling during sports anytime and anywhere