Auxiliary listen Bluetooth Parameter | |||
Basic Information | Product number | A9 | |
physical dimension | 220*140 mm | ||
equipment weight | 36g | ||
Appearance color matching | Athens Black China Red Emerald | ||
waterproof level | IP55 | ||
OSPL90 full range gain | Max@1000Hz 110.91DB | ||
HFA AVG 108.69DB | |||
FOG50 full scale gain frequency response | HFA AVG 34.18DB | ||
Total Harmonic Distortion | 500HZ@70DB 0.22% | ||
800HZ@70DB 0.3% | |||
1600HZ@70DB 0.42% | |||
Specifications | main chip | import IC | |
Work frequently | ISM band (2.402-2.480GHz) | ||
transmit power | Class2 (-6dbm-4dbm) | ||
Frequency response | 80Hz-20KHz | ||
Maximum output power | 3mW | ||
Rated output power | 1mW | ||
antenna | Bluetooth distance | 10 M | |
bluetooth antenna | Buit-in | ||
button | Tactile buttons | NO | |
physical buttons | YES | ||
Link | bluetooth protocol | HFP/A2DP/AVRCP | |
bluetooth version | BT V5.0 | ||
Acoustic | Mic | MIC 4015 -38dB ±3dB | |
trumpet | 10MM | ||
power supply | Battery Type | 150 mAh | |
Operating Voltage | 3.7V | ||
Input voltage | DC-5V 500mA | ||
Standby time | >6 days | ||
battery life | 8-10 hours | ||
charging time | 2 hours | ||
Auxiliary listening time | 10 hours | ||
music duration | 8-10 hours (standard volume) | ||
Memory | Built-in SD card | None | |
interface & slot | USB | Typ-C | |
Reminder: | Minors under the age of 18 are strictly prohibited from using this product! This product is an electronic digital product, not a medical device. The hearing aid function of this product cannot replace professional hearing medical equipment and ear disease treatment. Excessively loud volume may cause discomfort or may damage hearing if not handled properly, so be sure to turn the volume down to the lowest level before wearing headphones for your health. If your physical condition is sudden, please call 120 or call a professional doctor in time. |