1 Bluetooth version: Version 5.0 (automatic pairing) 2 transmission distance: outdoor straight distance 10-15 meters 3. Battery capacity: 45mah lithium polymer battery 4 battery charging box capacity: 400mah 5. Time to listen to music: 1.5 hours (pause / play) 6. Talk time: 1.5 hours (answer / hang up) 7. Standby time: 100 hours 8. Charging time: 1 hour Characteristics: <1> listen to songs and make calls. . Supports listening to songs and making calls <2> caller ID number. . Latest Smart English Ringtone, Full Calling Code Alert …. Pairing. Low power consumption shutdown? <3> Every time you connect a Bluetooth headset to your phone, the Bluetooth headset will automatically connect to your phone when you turn it on … Convenient and faster! <4> smart compatibility: compatible with all mobile phones and a device with Bluetooth tablet and laptop functions Pairing method: Hold down the blue flash pairing mode and wait after starting They have been automatically paired (one of which does not flash indicates that they are paired correctly) to connect to the Bluetooth phone Can I connect the two phones separately and use them separately? (1 headset and 1 phone connected) Prompt tone: A notification: open Attachment Tips: Strong Pairing-pairing status notification Connection note: your device is connected Disconnection notification: your device is disconnected Low Battery Warning: Low Battery Button function: long press to open … Long press to close, click music to pause / play / answer the phone / hang up the phone … Headphone Charge Indicator – When the battery is fully charged, the red headphones light up and the red indicator turns off. Charging box charging instructions: 1. When the Headphone Charging Box: The blue LED indicator on the charging box flashes, and after the headphones are fully charged, the blue LED indicator turns off. 2. Charge the charging box: When the charging box is full, the red LED on the charging box flashes and the red LED lights up. The color of the data line is randomly sent … Please know!