• 【Secure Sports Fit】Features non-slip ear hooks with a triangular three-point support system that provides exceptional stability during high-intensity workouts. The ergonomic design ensures the earbuds won't fall out or cause discomfort even during vigorous activities.
• 【Superior Sound Quality】Delivers HIFI lossless audio with carefully tuned three-frequency balance - rich bass, detailed midrange, and penetrating highs. The symphony-around-ears structure provides an immersive listening experience for both music and calls.
• 【Advanced Noise Cancellation】Equipped with dual-microphone NEC environmental noise reduction technology and noiseless clamor eliminator, ensuring crystal-clear calls even in noisy environments like subways, airplanes, or outdoor settings.
• 【Smart Digital Display】The charging case features an LED digital screen that displays real-time battery levels for both earbuds and remaining usage time, keeping you informed about power status at all times.
• 【Extended Battery Life】Provides 5-7 hours of continuous playback on a single charge, with the 400mAh charging case offering up to 28 hours of total usage time. Fast Type-C charging gets you fully charged in just 1 hour.
• 【Comfortable All-Day Wear】Made with elastic silicone ear hooks that conform to your ear contours. Includes three sizes of silicone ear tips and replacement ear hooks for a personalized, painless fit even when wearing glasses.
• 【Waterproof & Durable】IPX6 waterproof rating protects against sweat and water splashes, making them perfect for intense workouts and outdoor activities.
• 【Universal Compatibility】Bluetooth-compatible 5.3 connectivity ensures stable connection with all mainstream devices including Android phones, iOS devices, tablets, and Windows laptops within a 10-meter range.

Specifications:

• Model: i25
• Bluetooth-compatible Version: 5.3
• Chip Type: AC697D
• Transmission Frequency: 2.402–2.480 GHz
• Transmission Power: ≤4dBm
• Communication Distance: ≥10 meters (open space without obstacles)
• Standby Time: Approximately 40 hours (connected state)
• Talk Time: Approximately 3 hours
• Music Playback Time: 5-7 hours
• Battery Type: Lithium-ion polymer battery with protection board
• Earphone Battery Capacity: 3.7V 35mAh
• Charging Case Battery Capacity: 400mAh
• Charging Time: Within 2 hours
• Charging Interface: Contact charging
• Charging Voltage: DC 4.75～5.25V
• Waterproof Level: IPX6
• Operation Method: Touch control
• Supported Protocols: HSP, HFP, A2DP, AVRCP