Helmet Cycling Sena C1 Bluetooth Matt Gray

Size	Head(centimeters)	Head (inches)
M	54-58	21 1/4 - 22 7/8
L	58-61	22 7/8 - 23 3/4

SENA C1 SMART HELMET

Add communication to your next bike ride with the Sena C1 smart helmet. The C1 is equipped with a Bluetooth communication system, complete with speakers and a microphone. Whether you are looking to chat with another rider or simply listen to music on your ride, the C1 will take your ride to the next level. The C1 offers these features:

• 4-Way Bluetooth Intercom
• Speakers & Microphone
• Integrated Taillight
• Smartphone Connectivity
• Sena Cycling App Compatible
• Smart Intercom Pairing

---

RIDER-TO-RIDER INTERCOM

The C1 features built-in 4-way Bluetooth intercom, allowing for full-duplex communication between riders. The working intercom distance is 0.2 mi (300 m) in open terrain. Helmet-to-helmet communication allows riders to effortlessly talk to one another without having to shout or use hand signals. The C1 has a talk time of up to 10 hours or up to 6 hours with the taillight on.

---

SMARTPHONE CONNECTIVITY

Pair your smartphone to the C1 to stream your favorite music, hear turn-by-turn GPS directions, cues from fitness apps, or take a phone call. The C1 is also compatible with the convenient Sena Cycling App, which lets users adjust helmet settings, pair via Smart Intercom Pairing, or access the device’s quick start guide on-the-go.

---

BUILT-IN TAILLIGHT

The C1 features a built-in taillight, improving rider visibility on the road. With three brightness settings, you can enhance clarity in different lighting situations. The brightness settings include On, Day Flash, and Night Flash. The C1’s taillight settings can be adjusted remotely in the Sena Cycling App.

---

FINISHING TOUCHES

The Sena C1 is safety certified and designed with a spin lock retention system for a secure fit tailored to the user’s preference. The helmet features a smooth nylon chin strap, which the speakers are affixed to. The C1 has an impressive 19 vents for maximum airflow and is lined with breathable and removable lining.

---

SIZES & COLORS

The Sena C1 comes in sizes medium and large in Matte White and Matte Gray.

---

General

• Weight: 390 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: M / L
• Color: 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 300 meters (0.2 miles) in open terrain
• Supports up to 4 riders

Audio

• Noise Cancellation: Advanced Noise Control™
• Codec: Built-in SBC Codec

Battery

• Talk Time: 6 ~ 10 hours (varies based on LED use)
• Charging time: 2.5 hours
• Type: Lithium Polymer Battery
• Charging Temperature: 0˚C - 40˚C (32˚F - 104˚F)

Certificates

• Electronics: CE UKCA, FCC, IC, KC
• Helmet: CE UKCA, EN 1078, CPSC 1203
  * Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older

Warranty

• Electronics: 2 years
• Helmet Integrity: 2 years