Calante T2S 5D Sound Effect Bluetooth 5.0 Wireless Bluetooth Earphone with Magnetic Charging Box, Support Call & Siri Features: 1. 5D sound effect, good sound quality 2. Support one-key answerend call, pauseplay music, previousnext song, wake up Siri, power onoff, end number redial 3. Magnetic charging box, can charge the earphone at any time 4. Meet daily waterproof and dustproof needs 5. The earphone is small in size, hidden in the ear, and comfortable to wear 6. Compatible with Bluetooth-enabled devices, such as AndroidIOS system phones, tablets, etc. Product parameters: 1. Bluetooth version: 5.0 2. Transmission range: 10m 3. Scheme: Jerry 4. Bluetooth protocol: HSPHFPA2DPACRCP 5. Working time: 3-4 hours 6. Charging time: 1 hour 7. Standby time: 100 days 8. Talking and listening time (used with charging box): 300 hours 9. Headphone battery capacity: 3.7V30mAh 10. Battery capacity of the charging box: 300mAh 11. Working temperature: -10 to 55 degrees celsius 12. Headphone weight: 5.78g 13. Total size: 9.5x12x5cm 14. Total weight: 120g