I21 TWS Wireless Earbuds In-Ear Bluetooth Headset IPX5 Waterproof Sports Ear-Hook Headphones - Black

• Ultra-Low-Latency Ultimate Gaming Fun: For seamless sound and gaming advantage
• New Bluetooth 5.1 Smart ChipStreamless Connection: Advanced Bluetooth 5.1 chips, bring quicker transmission, longer range, and lower power consumption
• HiFi stereo sound Quality: Appreciate all the details of your favorite soundtrack within the workout
• Sports Sweatproof Never Fall Off: Soft silicone ear tips, smooth without stimulation
• Long-Wear Without Pain: Skin-friendly silicone, long wear without pain, long wear without tired

Specifications:

• Bluetooth: 5.1+ER/BDR
• Chip: JL 6973d
• Headphone capacity: 45mAh
• Charging case capacity: 400mAh
• Music playing time: 5-7hours
• Charging case charging times: 3 times
• Speaker unit: ?10mm 32?
• Waterproof grade: IPX5
• Sound: Hi-Fi
• Display: three digital display functions
• Charging port: Type-C