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Chenfeng Sanrio Open-Ear Clip-On Bone Conduction Bluetooth Wireless Sports Running Earphones Ear-Hook Comfortable for Women Long Wear No Pain Student Birthday Gift SR31
•Bluetooth/Wireless Headphones

Chenfeng Sanrio Open-Ear Clip-On Bone Conduction Bluetooth Wireless Sports Running Earphones Ear-Hook Comfortable for Women Long Wear No Pain Student Birthday Gift SR31

CNÂ¥128.70
SKU: 100246804059
Status:In Stock (8)
ID: 100246804103
Weight: 137.00 g
Dims:140x139x43 mm

Specifications

Diaphragm Type
Single dynamic driver
How to Wear
Ear-clip
Scenarios
Sports headphones
Packaging Form
Collaboration
Special features
Cartoon/IP, Ultra-long battery life

Variants / Sale Attributes

Color: Cinnamoroll [Cloudlike Comfort + Won't Shake Off]

Package Contents

1 earphone, 1 manual, 1 data cable

Product Description

Product Specifications

Overview

Brand
Chenfeng, SANRIO CHARACTERS
Model
SR31 Clip-on Bluetooth Earphones
Series
Sanrio Family Series (Hello Kitty, Cinnamoroll, KCitty)
Authorization
Officially licensed by Sanrio Co., Ltd.

Clip-on earphone design with 45-degree ergonomic fit for natural ear contour

Open-type design allows ambient sound blending for safe, comfortable listening without ear canal insertion

Matte metal texture with cute character elements for stylish appearance

Additional details

Lightweight and compact

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Earphone dimensions 65 x 26.8 x 49.4 mm
Weight
Approx. 46.8 g (single earphone), 78.6 g (with packaging)
Flexible and stable wearing with three-step fitting
hook, wrap, attach

12mm composite diaphragm speaker with white magnet

Additional details

Frequency response
20Hz - 20kHz
Signal-to-noise ratio (SNR)
>59dB
Speaker impedance
32Ω

Balanced three-frequency sound reproduction for detailed music experience without in-ear insertion

Additional details

Bluetooth version
5.4
Bluetooth profiles supported
HFP (hands-free), A2DP (music streaming), AVRCP (remote control)
Bluetooth pairing name
SR31
Transmission distance
Up to 10 meters (line of sight)

Dual host dual channel design supports seamless switching between single and dual ear modes

Touch controls

  • Single tap (either ear): Play/Pause music, Answer/Hang up calls
  • Double tap (either ear): Reject call, Activate voice assistant (Siri)
  • Triple tap left ear: Previous track
  • Triple tap right ear: Next track
  • Long press right ear: Volume up
  • Long press left ear: Volume down

LED indicators for charging and status notifications

Additional details

Earphone battery capacity
40mAh
Charging case battery capacity
500mAh
Playback time
Approx. 5 hours per charge
Total playback time with charging case
Approx. 15 hours
Earphone charging time
Approx. 1 hour
Charging interface
USB Type-C

Charging indicators

  • Charging case LED green when charging earphones, orange flashing when charging case is charging, orange steady when fully charged
  • Earphone LED red when charging, off when fully charged

Low battery alert when voltage drops below 3.3V with voice prompt

Recommended to use CCC-certified 5V/1A charger; avoid high voltage fast chargers to prevent damage

Compatible with Android, iOS, Windows devices including smartphones, tablets, and computers

Suitable for running, commuting, and daily use

Additional details

Packaging dimensions
138 x 40 x 135 mm
Product approval
CMIIT ID 26J44B0ET254

Please read product instructions carefully before purchase and contact customer service for inquiries

Acoustic data tested by Doyin Acoustic Laboratory; actual performance may vary due to environment

© 2026 SANRIO CO., LTD. All rights reserved.

Additional details

Approval No.
SSH00000000
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