TWS headset “EW33 Interstellar”

1. BT version: v5.3. Chip: JL AC6973D4. 2. Supported protocols: Headset, Hands-free, A2DP, AVRCP. 3. Transmission distance: 10m. 4. Transmission frequency: 2.4Hz. 5. Speaker unit: 6mm. 6. Impedance: 32Ω ± 15%. 7. Frequency response: 20-20000Hz. 8. Sensitivity: 90dB ± 3dB. 9. Battery capacity: charging case 300mAh, headset 25mAh. 10. Charging case input: DC5V, Type-C. 11. Charging time: about 1.5 hours for charging case, about 1 hour for headset. 12. Talk / music time: 3.5 hours (80% volume). Standby time: 150 hours. 13. LED colorful lighting effects. 14. Zinc alloy charging case, one hand simple opening. 15. Supports leader-follower switching, voice assistant activation, songs switching, songs play / pause. 16. Headset automatically turns on when the charging case cover is opened, automatic pairing. Headset automatically turns off when the charging case cover is closed with headset inside. 17. Battery display: supports for Apple phones and some Android phones.