Note： Non-Apple branded products,Compatible with iPhone models Overview When the headset is turned on and successfully connected with the mobile phone or Bluetooth device with a call function, you can make and receive calls. When the call comes, the headset will remind you of the incoming call and the number of the incoming call, touch the function key once to answer the call, if you don't want to answer the call, you can double-click the function keys. Up and down song switching and volume increase and decrease Press and hold the volume + button or about 2 seconds, release to switch to the next song, long press to increase the volume Press and hold the volume button for about 2 seconds, release to switch to the previous song, long press to decrease the volume. Voice assistant: When the mobile phone is connected, touch the function key for 1 second and let go to activate the language assistant function. Universal for Android and Apple. TWS binaural function: Buy two earphones of any color, and they will automatically pair and send out the ''ME-100'' pairing name when they are turned on at the same time, click Connect. Specifications Type: Mini speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 530mAH Frequency response range: 100HZ-20KHZ Signal to noise ratio: ≥75dB Power supply mode: Need an external battery Playing time: 2-3 hours Expansion Storage: 12GB Bluetooth protocol: 5.0 Number of speakers: 2 Effective distance: 10 meters Function: Radio Operation mode: Button Applicable people: general Display: None Play format: MP3 Shell material: metal Support format: TF card Speaker adjustment method: button Is there a radio function: Yes Cabinet material: ABS Appearance size: 60*48*29mm Product weight: 0.091 (KG) Power supply mode: USB Color: white, pink, red Package Content 1XTissue Box