(1 PCS) Antenna Boosters Stickers to Improve Signal in Travelling or Mountaineering

Features: 1. Huge impacts - like having a 4 foot antenna on your cell phone. 2. Improves reception, reduce static in boats, elevators, cars, buildings, tunnels, and mountains. 3. Works on any analog, digital, and tri-band phones. 4. Eliminate dropped calls. 5. Easy to install, simply peel and stick to the inside of your battery compartment. Specification: Type: signal enhancement Weight: 18g Colour: Blue/Gold product contains: 1*signal enhancement sticker Notice: 1. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 2. Please allow 1-3cm differs due to manual measurement.