BY99 Bluetooth Headphones New Wireless Earphones Non-in-ear Open-ear Hanging Style For Sports And Business Cross-border

Bluetooth Version: V5.3 Device name: BY9g Battery capacity: 100mAH Battery life: Approximately 12 hours Standby time: Approximately 200 hours Charging time: approximately 1.5 hours Speaker specifications: 16mm composite membrane Transmission distance: Unobstructed ＞ 10m Wearing style: Single-ear open-back ear-hook (right ear) Product chip: Lanxun 5656C2 (low power consumption) Answer: Single click on the touch key Next song: Touch Key Double Joy Boot-up prompt sound: Default is English Hang up. Touch the button once Previous track: Triple tap the touch button Play/Pause: Single click on the touch button Reject incoming call: Press and hold the touch button for 2 seconds Power On/Off: Press and hold the touch button for 5 seconds to turn on, press and hold for 5 seconds to turn off Switch voice: After powering on, use the dual-tongue switch button to switch between Chinese and English voice (when not connected to a mobile phone) If you need an invoice, please consult customer service