True Wireless Stereo(TWS),individual left and right channel with HIFI sound quality .Available in multicolours(Blue,Yellow,Pink,Green).It comes with a charging cable. inpods 12 Bluetooth Earphones TWS Earbuds with Mic Headset For Mobile. i12 TWS Wireless Headset Bluetooth 5.0 Earbuds Headphone For iOS Android. Bluetooth 5.0: Bluetooth 5.0 produces incredible sound quality with crystal crisp treble. Enjoy your music everywhere even in a loud environment. 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, 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. 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. Stable and Comfortable: Ergonomic design for sport, workout, running, jogging, hiking, biking, gym etc. How to Use i12 inpods 1. Tap the charging case power on switch 2. Open the charging case and take off the ear buds, then eabuds auto-power on and pairing (important reminder: the condition of earbuds auto-power on is to turn on the switch of charging case) 3. Pair with the device: 1) turn on Bluetooth in the device 2) search i12 and connect to i12 Specification: 1. Driver: 15mm 2. Impedance: 9 OHM 3. Bluetooth version: Bluetooth 5.0 4. Output power: 40mW; Battery capacity 35MAH , charging box is 300mh . 5. Bluetooth distance: 10 meters 6. Frequency response: 20-20000Hz 7. Operating voltage range: 3.0V-4.2V 8. Powerful noise de-noising circuit (active noise reduction) 9. Charging time about 1-2 hours. 10. Talk time is about 2-3 hours (a pair of earphones use together),music time about 2-3 hours (a pair of earphones use together ) , Charging box can charge for the earphons about 3-5 times.