Features

• Model:A9 pro fifth generation + smart screen "ANC+ dual-mark ENC+ in-ear detection light sense"
• Color: white
• Chip: Jerry 7003D8 noise reduction + light sensing in-ear detection
• Version: 5.4 [binaural call]
• Working frequency: 2.402-2.480GHz,
• Support protocols: A2DP/AVRCP/HFP/HID/AVCTP/AVDTP, and SPP
• Transmission distance: 15M [barrier-free]
• Response frequency: 20?20000Hz
• Speaker unit: ?F13 titanium film, 32?±15%, 7.118±3DB 5mW
• Microphone: 2718 silicon microphone -42±3dB
• Charging input standard: contact, DC4.75-5.25 V/600MAH
• Battery type: 3.7V polymer battery 500mAh with protection board (3C fast charging battery), headphone battery 30mah
• Charging time: 1h
• Headset working time: the measured 100% volume plays continuously for about 5.5 hours