• Non-In-Ear Design: Engineered for comfort, the non-in-ear design ensures a lightweight and pain-free wearing experience even during extended use
• Open-Ear Design: Allows for real-time awareness of the surrounding environment, ensuring safety during outdoor activities
• Foldable Design: Made from skin-friendly & soft silicone, easily collapsible and ensures easy storage and deformation resistance
• Hi-Fi Sound Quality: Delivers high-fidelity sound with balanced treble, midrange, and bass frequencies, providing immersive 3D surround sound
• Reverse Sound Wave System: Prevents sound leakage while maintaining an open listening experience
• Intelligent Dual Connection: Seamlessly connects to two smartphones simultaneously, providing versatility and convenience
• ENC Noise Cancellation for Calls: Equipped with Environmental Noise Cancellation (ENC) technology for clear and uninterrupted phone conversations even in noisy environments
• Touch Controls: Easily manage your music and calls with intuitive touch controls, offering convenience at your fingertips
• Caller ID Support: Provides audible caller ID notifications for incoming calls, keeping you informed without needing to check your phone
• Smart Voice Prompts: Offers intelligent voice prompts in both English and Chinese languages (default language is English), enhancing user experience and accessibility
• Switchable Low-Latency Gaming Mode/Music Mode: Allows users to switch between gaming mode for reduced audio delay during gameplay and music mode for optimized music listening experiences

Specification:

• Product model: Hi77
• Product chip: RTL8753EFE
• Audio decoding: SBC AAC
• Bluetooth-compatible version: V5.4
• Bluetooth-compatible protocol: A2DP AVRCP HFP HSP
• Communication distance: 10 meters
• Transmission frequency: 10HZ-20KHZ
• Continuous calls: about 5.5 hours
• Play music: about 6.5 hours
• Standby time: about 170 hours
• Charging time: about 1.5 hours
• Battery capacity: 70 mAh
• Charging interface: TYPE-C