TWS i27 Wireless Bluetooth Earphones.
- Battery capacity: 35mAh
- Charging box battery capacity: 500mAh
- Listening to music time: 3-4 hours
- Talk time: 3 hours
- Standby time: 120 hours
- Charging time: 50 minutes
- Press and hold for five seconds to boot.
- Long press for five seconds to shut down.
- Double click to pause/play music, answer/hang up calls.
- Long press for three seconds to wake up Siri
- Right ear three times for next song.