The Riversong Rhythm L9 EA278 is a stylish and versatile wireless over-ear headphone designed for high-quality sound and everyday convenience. Featuring Bluetooth 5.3, wired/wireless connectivity, and powerful 40mm drivers, it delivers immersive stereo audio with deep bass and clear vocals. With long battery life, LED lighting, and a foldable design, it is ideal for music, calls, travel, and entertainment.
Key Features:
• Dual connectivity: Bluetooth wireless and 3.5mm wired mode
• Bluetooth 5.3 for stable and fast connection
• 40mm drivers for powerful stereo sound
• High sensitivity audio output for clear and detailed sound
• Built-in microphone for calls and communication
• LED lighting for stylish modern look
• Up to 20 hours battery life on a single charge
• Fast charging via Type-C (approx. 1.5 hours)
• Foldable and adjustable headband design for portability
• Noise reduction support for improved listening experience
• Lightweight design for long-term comfort
Technical Specifications:
• Brand: Riversong
• Model: Rhythm L9 EA278
• Product Type: Wireless Over-Ear Headphones
• Driver Size: 40mm
• Impedance: 32Ω
• Sensitivity: 115 dB
• Frequency Response: 20Hz – 20kHz
• Connectivity: Bluetooth 5.3 / 3.5mm AUX / USB-C
• Wireless Range: Up to 10 meters
• Battery Capacity: 200mAh
• Battery Life: Up to 20 hours
• Charging Time: ~1.5 hours
• Controls: On-device key controls
• Microphone: Built-in (38 dB sensitivity)
• Weight: 158g
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