**Specifications:**
**Brand:** (Chenfeng)
**Authorized by:** SANRIO
**Product Line:** (Sanrio) (Muse) Series
**Features:**
- Enjoy music, double the cuteness in life
- 40mm large dynamic speaker unit
- Long-lasting battery life for continuous listening
- Adjustable headphone support arm for a comfortable fit
- Lightweight design for cute street style
- Comfortable all-day wear with approximately 201g total weight
- Full wrap-around ear cushions for pressure-free extended wear
- Stable and low-latency connection with Bluetooth 5.3 technology
- Up to 35 hours of music playback on a single charge
- Bluetooth 5.3 with a transmission distance of approximately 10 meters
- Wide compatibility with various Bluetooth-enabled devices
- Wired and wireless switching for versatile connectivity
**In the Box:**
- Headphones x1
- Charging cable x1
- Audio cable x1
- Album booklet x1
- User manual x1
**Multi-function Button Controls:**
- Easily switch between various functions with physical buttons
- Avoid accidental touches with tactile controls
**LED Indicator:**
- Red light for charging, off when fully charged
- Low battery warning with red light flashing every 5 seconds
- Pairing mode indicated by alternating red and blue lights
- Connection cancellation shown by alternating red and blue lights
**Basic Parameters:**
- Product Name: (Sanrio) (Muse) Series Bluetooth Headphones
- Playback Time: Approximately 35 hours
- Bluetooth Pairing Name: S05
- Charging Time: Approximately 2.5 hours
- Bluetooth Version: 5.3
- Battery Type: Lithium-ion polymer
- Bluetooth Transmission Distance: Approximately 10m
- Battery Capacity: 400mAh
- Bluetooth Call Headset Protocol (HSP): Supported
- Charging Interface: Type-C
- Bluetooth Music (A2DP): Supported
- Headphone Size: 168*188*80mm
- Bluetooth Music Remote Control (AVRCP): Supported
- Rated Input: 5V-300mA
**Acoustic Parameters:**
- Frequency Response: 20Hz-20kHz
- Sensitivity: 118±3dB
- Speaker Diameter: 40mm
- Rated Power: 2.5mW
- Speaker Impedance: 16Ω
- Maximum Input Power: 4mW
**Safety Note:** Use a 5V/1A charger with CCC certification to avoid damage from high-voltage fast chargers.
**Manufacturer:** 2024 SANRIO CO., LTD
**Approval No.:** SSH24040135
**Disclaimer:** Data provided by the Duyin Acoustic Laboratory, actual usage may vary due to objective environmental changes or errors.
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