Bluetooth protocol A2DP 1.3, hands-free configuration (HFP) 1.6, AVRCP
Frequency range 20 Hz – 20000 Hz
Charging time is about 1H full
Battery type 55mAh lithium ion button cell
Indicator RGB LED tri color lamp 1. charging state indication 2. charging box, earphone electricity indication 3., charging box battery low power prompt 4., resume factory setting status hint
Charging interface is charged through the Pogo Pin of the charging box
Power input 5V – 1.1A
Key a pair key: 1. when the first use, press the pairing key 2S, the charging box opens 2. headphones in the box, press the pair key 2~ 10S, the headset enters the pair state 3. headset in the box, press the pair key 10S above, the headset completes restore factory setting
When the standby time is full, the Bluetooth device will be connected to the standby mode, and it will last for about 40 hours.
The theoretical charging time can be charged for 15 minutes. It can talk or listen to music for about 1.5 hours.
The duration of music playing and speaking duration is about 3 hours, and the duration of voice calls is about 3 hours.
Call quality 1. send / receive loudness, send / receive bottom noise, send / accept frequency response, send / accept distortion, echo and other call indicators refer to the standard TIA-810B/ broadband call standard TIA-920 for narrow band call standard; 2. noise level ANR White Noise > 25 dB, Hoth noise> 25 dB, Traffic Noise > 25dB, 75
Microphone dual silicon wheat, support call upstream noise reduction
Trumpet 1 moving iron unit + 1 moving coil unit (diameter 7mm)
Weight single headset 5.6 + 0.5g
Temperature working temperature: -10 ~ 55 C, charging temperature: 0 ~ 45 C, storage temperature: -40 – 70 C