*Bluetooth name: XT68

*Weight: 832G

*Packing box size: 22.5*22.5*7 (cm)

*USB charging cable: 103cm

*Headphone cable: 126cm

*Bluetooth solution: CSR

*Bluetooth version: V4.0

*Support agreement: A2DP/AVRCP/HFP/HSP

*Operating distance: 10M

*Battery: 290mah

* Charging time: 3 hours

*Charging current: 170mA

*Music game: Continuous playback for 16 hours at 50% volume

*Talk time: continuous playback for 18 hours at 50% volume

*Drive unit: &40mm

* Sensitivity: 105db/1mw (S.P.L at 1KHz)

* Frequency range: 20Hz - 20KHz*Rated power: 10mw

*Maximum power: 20mw

Bluetooth connection: Press and hold the Bluetooth button for 9 seconds, the indicator light flashes red and blue, search for the Bluetooth device name XT68 to connect. After the connection is successful, the indicator light flashes blue for two seconds. Turn off the Bluetooth, please press and hold the Bluetooth button for 3 seconds, the indicator light does not light. If you have connected a Bluetooth device, you only need to press and hold for three seconds to start Bluetooth. After booting, it will automatically connect to the connected device.

Wire control: Volume addition and subtraction only in the Bluetooth mode for volume addition and subtraction, volume control when the volume is added or subtracted in the case of battery powerless support volume plus or minus operation.