Product parameters: Bluetooth version: 5.1 Charging voltage: 5V Charging current: 60mA Transmission distance: 10m Play/talk time: ≈3h Charging time; The material for 30 min Standby time: 60 days Product size: 4.9*4.9*3.1mm Weight: 50g 1. The product adopts LED electronic display and digital display design, you can check the power of the left and right earphones and the charging compartment at any time. 2. After the product is automatically turned on, it can be paired with the mobile phone immediately, and the voice assistant can be easily used after connecting to Bluetooth. 3. The Bluetooth 5.1 chip is upgraded, the transmission is more stable, and the connection is simpler. It adopts a semi-in-ear wearing design, which fits very well and is comfortable to wear. The two earphones add up to 50G weight, and you do not have any discomfort after wearing it. 4. The function control of music, call and voice assistant can be realized by lightly pressing the headset button, and the operation is simple and convenient without a mobile phone. 5. In addition, the product has passed the IPX4 lifetime waterproof and nano-sweat resistance test, your experience will not be affected by some rain or sweat