Novo fone de ouvido sem fio Bluetooth BY99 não cabe no ouvido, fone de ouvido esportivo de negócios com orelha aberta

Bluetooth version: V5.3 Equipment Name: BY9g Battery capacity: 100mAH Battery life: approximately 12 hours Standby time: approximately 200 hours Charging time: approximately 1.5 hours Speaker specification: 16mm composite film Transmission distance: accessible>10 meters Wearing method: Single ear open hanging ear (right ear) Product chip: Lanxun 5656C2 (low power consumption) Answer: Click the touch button Next song: Touch button dual base Power on prompt sound: default English Hang up. Touch key click Previous song: Three tapping of touch keys Play/Pause: Click the touch button Reject call: Tap and hold the button for 2 seconds On/Off: Touch and hold the button for 5 seconds to turn it on, and press and hold for 5 seconds to turn it off. Switch voice: After turning on, use double tongue touch and button to switch between Chinese and English voice (no need to connect to a phone)