bike helmets for 3 4 year olds Toddler Helmet Durable Hard Shell Lightweight 6m-2.5Y（Car-XS With dial turn ring Kids Bike Helmet, 2 Size

SPECIFICATIONS GENERAL Weight: 394 g (M size) Operating Temperature: -10 C 55 C (14 F 131 F) Storage Temperature: 15 C 30 C (59 F 86 F) HELMET Size: S / M / L Color: Matte Black / Matte White / Matte Gray In-mold polycarbonate helmet shell with EPS liner Nylon Chinstrap BLUETOOTH Bluetooth 5.1 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP) INTERCOM Working Distance: up to 900 m (0.6 mi) in open terrain Supports up to: 4 riders BATTERY Talk Time: 11 18 hours (varies based on LED use) Charging Time: 2.5 hours Quick Charging: 20 minutes of charging equals 5 hours Intercom Charging Temperature: 0 C 40 C (32 F 104 F) Type: Lithium Polymer Battery CERTIFICATES Electronics: CE, FCC, IC Helmet: CE EN 1078, CPSC 1203 *Complies with U.S

Creo que mucha gente joven an se tiene que dar cuenta de que las bici elctrica no es slo para gente mayor

Capacity: 20 L Weight: 1 lb

But all of these accreditations operate on pass-fail systems