Product specifications Product model: sx-05 Bluetooth version: 5.3 Support mode: SBC/AAC/MP2/MP3/MP4/WMA/APE/FLAC Bluetooth distance: 15 meters Playback time: about 6 hours Talk time: about 6 hours Wireless phone frequency: 2.4GHZ Headphone playback time: 1 hour Function operation instruction 1, Answer/hang up call/play music: One-touch 2 Previous Song: Left. Touch the earphone 3 times Next song: touch the right earphone 3 times 3, volume control: lower the volume: double tap the left earphone. Increase the volume: double tap the right earphone. 4. Turn on the voice assistant. Touch the earphone for 3 seconds and keep it away. 5, Headphone Power Switch: When you put the headphones back into the charging compartment, it will automatically shut down. If you need forced shutdown or power on, just touch the headphone touch area for 5 seconds. 6, Answer incoming calls When the phone is talking about the single machine headphone multifunction key,all the phone. 7, Reject Call: Long press for 3 seconds during calling. 8. Incoming calls hang up. While the phone is talking about the phone, the multi-function keys on the left and right headphones on the single machine can hang up the phone. 9. Reject Calls: When the phone calls up, press and hold the multi-function keys on the left and right headphones for 2 seconds, and the incoming call will be rejected. 10. Long press for 3 seconds to activate SIRI. Pairing method: Normal pairing method: 1. Remove from headphone compartment or long press the left and right headphone multifunction key for 3 seconds to turn on, red and blue lights flash alternately, the headphones turn off, the light is on, enter the auto search model sx-05, after pairing successfully pairing successfully pairing the ears, the blue chime light will slowly Flashes. 2. Activate the Bluetooth function of your mobile phone or other devices, and if you have Android phone devices, click on the "Search Bluetooth Device" option on your phone, and if you have IOS Stem phone or device, it will automatically search the device. After searching for the model of Bluetooth headset, click "Enter into Pair". The blue cue light will slowly flash and enter the connection standby state. 3. The two headphones can be paired independently and the operation method can be used to operate the phone according to the previous step 2.