Havit ENC TWS Super Long Battery Life ENC Noise Reduction Wireless Bluetooth Earphones Features: 1. Using 13mm composite diaphragm speaker, shocking sound field 2. The left and right earphones are equipped with two microphones, which greatly expand the range of radio reception 3. ENC noise reduction noise reduction technology, dynamic filtering, reducing environmental noise 4. Low game delay, sound and picture synchronization 5. Singledouble ear connection, seamless switching 6. The earphone has a built-in independent chip to provide stable wireless signal transmission 7. Wide range of compatibility Product parameters: 1. Function: S3 Pro: Bluetooth 5.3, 13mm composite diaphragm, high-fidelity lossless decoding, compatible with AndroidiSO, charging for 10 minutes can be used for 2 hours, game mode, LR earphone corresponding prompt, automatic connection when opening the cover, long press the earphone for 5 seconds in the charging compartment Reconnect, long press the charging box for 5 seconds to clear the pairing S3: Bluetooth 5.3, 13mm composite diaphragm, high-definition lossless decoding, compatible with AndroidiSO, 10 minutes of charging can be used for 2 hours, unified display regardless of LR, take out the headset to automatically connect, press five times to reconnect the headset, long press the headset 8 seconds to clear pairing 2. Bluetooth version: 5.3 3. Effective distance: 10 meters 4. Speaker unit: 13mm composite diaphragm 5. Audio decoding: advanced audio decodingSBC 6. Call noise reduction: ENC noise reduction 7. Interface: Type-C 8. Battery capacity: earphone: 40mAh, charging compartment: 400mAh 9. Use time: about 9 hours for listening to music, about 8 hours for talking 10. Charging time: about 1.5H for earphones, about 2H for charging compartment