For Google Pixel 4a ViLi Magnetic Suction Shockproof TPU + PU Horizontal Flip Protective Case with Card Slot & Holder(Rose Red) 13DecTagTab S8+ Tempered Glass Battery parameters: 3

Battery parameters: 3

push down the stepping board for about 6 seconds until the red and green LED is blinking

Ergonomic design: soft PU ear cushions and lightweight headset

The transmitter is powered by a button battery

For Google Pixel 4a ViLi Magnetic Suction Shockproof TPU + PU Horizontal Flip Protective Case with Card Slot & Holder(Rose Red) 13DecTagTab S8+ Tempered Glass Battery parameters: 31. The design is excellent, and the precision fits for your phone. 2. Simple, comfortable, easy to carry. 3. It adequately protects devices from the normal scratches, dirt, tear and wear. 4. All buttons and ports are easy to access. 5. With good performance, it may work for a long time.