NeoGear New A11Pro Bluetooth Earbuds Smart Touch Color Screen ANC+ENC Active Noise Cancellation LCD Sports Watproof

A11pro Sixth Generation + Smart Screen "Call ENC" Color: White Black 1.Chip: Jerry 7003D8 noise reduction 2.Version: 5.4 [Binaural Call] 3.Operating frequency: 2.402-2.480GHz, 4.Supported protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP 5.Transmission distance: 15M [unobstructed] 6.Response frequency: 20 ~ 20000Hz 7. Speaker unit: ΦF13 titanium film, 32Ω±15%, 7.118±3DB 5mW 8. Microphone: 2718 silicon microphone -42±3dB 9. Charging input standard: Contact point, DC4.75-5.25V/600MAH 10. Battery type: 3.7V polymer battery 350mAH with protection board (3C fast charging battery), earphone battery 30mAh 11. Charging time: 1 hour 12. Headphone working time: measured at 100% volume continuous playback for about 5.5 hours Headphone size: 31.7×17.3×16.5mm Charging compartment size: 45.5×21×49mm Packaging size: 99×35×99mm Single product bare weight: 64.1g Single product with packaging weight: 137.2g Packing size: 52.5*42.5*25cm Packing quantity: 100pcs Packing weight: 14.52kg