i12s TWS earbuds 1. Bluetooth version: Dual-mode Bluetooth V5.0 , ultra-low power consumption 2. Support protocols: A2P1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 3. Bluetooth Usage Band: 2.4 GHZ 4. Product weight: about 4-5g (single headset) 5. Music playing time: about 3-4 hours 6. Headphone call time: about 4 hours 7. Loading time: 1-1.5 hours 8. Wireless Distance: 15m 9. Bluetooth 5.0: Bluetooth 5.0 produces incredible sound quality with crystal crisp treble. Enjoy your music everywhere even in a loud environment. 10. Voice Reminder: This high-quality earbuds can show phone power and voice control, and Siri function helps your control your phone any time, which provides you a wonderful experience, 11.Easy Pairing: When you take out 2 Earbuds from the charging box, the individual earbuds will automatically power on and connect to each other, then pairing to your Bluetooth device. 12. Long Use Time: Hands-free earphones will provide up to 4-4.5 hours calling time. A mini and portable 300mAh charging case will support recharging of your earphones. 13. Stable and Comfortable: Ergonomic design for sport, workout, running, jogging, hiking, biking, gym etc. 14. Not apple these are clones Packaging includes: Two Mini Bluetooth headphones (left and right headphones) 1 Charging Box 1X USB charging cable 1X User Manual