the " " symbol is not displayed and there is no alarm sound
Size: 30 x 8mm
the use environment is expanded
The bracket and the battery connection wire are equipped with a fuse
Multifunctional Wear-resistant Shoulder Handheld Laptop Bag, Size: 15 - 15.6 inch(Gray) FX-AUDIO the " " symbol is1. Material: cationic cloth 2. Function: breathable, wear resistant, shock resistant, waterproof 3. Multi layer large capacity, multiple use methods, easy to carry 4. The bag adopts high quality hardware accessories, bright color, durable, not easy to rust 5. Made of high quality fabric, wear resistant and scratch resistant 6. Water repellent material, safer to use 7. External dimensions: 13": 37 x 27 x 5 cm, 14": 40 x 30 x 6 cm, 15": 44 x 33 x 7 cm,