inpods i12 tws bluetooth earphone wireless earbuds hands for iphone 11 earpieces sport music headset with mic earphone

1. bluetooth version: updated to bluetooth v5.0 + edr (support two earphones to call) 2. power level: class 2 and class 3 3. output power: 30mw 4. frequency response: 2.4-2.85ghz 5. operating voltage range: 3.0v-5v 6. mic: -42db (with microphone) 7. with a2dp / avrcp stereo audio transmission and remote control protocol 8. powerful noise de-noising circuit (active noise reduction) 9: earphones battery: polymer lithium battery 50ma