3COINS Wireless Headphones Blue [From the website] ■Specifications■ Contents: Wireless headphone body x 1, Instruction manual/warranty x 1 Communication method: Bluetooth® Ver. 5.4 Maximum communication distance: Approximately 10m *Connection distance is an estimate. It may vary depending on usage conditions. Playback frequency band: 2.402-2.480GHz Supported profiles: HSP/HFP/A2DP/AVRCP Supported codecs: SBC Output sound pressure level: 118db±3dB (at 1KH) Impedance: 32Ω±15% Driver unit: Φ40mm Modulation method: GFSK/π/4DQPSK Battery: Lithium polymer battery Battery capacity: 400mAh Continuous playback time: Approximately 20 hours *Continuous playback time may vary depending on the usage environment, sound source, and volume. Charging time: Approximately 2.5 hours *Charging time is an estimate. It may vary depending on usage conditions. Standby time: Approximately 100 hours microSD card capacity: Up to 32GB Charging port: Type-C port AUX port: Φ3.5mm port Waterproof performance: None 3080 (tax included) *Charging devices, microSD cards, and AUX cables are sold separately. Please prepare them separately. Compatible USB cable: USB Type-A to USB Type-C cable Compatible AC adapter: AC adapter with a Type-A connector and an output of 5V 2.4A or less Compatible microSD card: microSD card with a maximum capacity of 32GB Compatible AUX cable: Cable with a Φ3.5mm plug *Do not use charging devices that support PD (Power Delivery). *Do not use rapid chargers that exceed 2.4A or that use voltages above 5V. Used about twice. Operation confirmed, can be used without any problems. Wiped with an alcohol wipe, but please understand that this is a used item. Will be shipped with water damage protection. Thank you for viewing. #Suriko #3COINS #WirelessHeadphones