4) Low-battery detection

front back

you can shift the gear

Low power consumption

Volume range: 0 ~ 10 L

Net Red Thin Straps, Tie-dye Sports Underwear, Women's Workout Clothes Automotive lighting 4) Low-battery detectionProduct information: Fabric Name: Cotton Blend Main fabric composition: Nylon nylon Content of main fabric components: 60% Lining composition: Nylon nylon Lining content: 60% Style: Vest style Type of mould Cup: medium mould cup Shoulder belt type: fixed double shoulder belt Size information: Note 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size is between two sizes. Allow a 2 3cm