Features: 【Bluetooth-compatible 5.1】Wireless earphone has faster transmission rate, lower latency and lower power consumption, providing fast and stable connection with no signal loss or music dropout.  【Loud and Clear】The combination of 6mm/0.24inch dynamic coil and CVC8.0 noise reduction technology will bring you a clear and full sound effect, presenting real and rich sound details 【LED Digital Power Display】LED digital display shows remaining battery, including charging case and earbuds, and avoid the embarrassment of power exhaustion. 【Touch Operation】The headset features a touch interface that makes it easy to switch music tracks, answer incoming calls, and activate your smartphone's voice assistant. 【IPX7 Waterproof】Earbuds may be eroded by sweat in daily sports, but its strong IPX7 waterproof can effectively prevent erosion by sweat and rain. Specifications: Charging case material: Aluminum alloy, ABS Earbud material: ABS Color: Black, white Charging case size: (Approx)(LxW) 7.9x4.8cm/3.1x1.9inch Earbud size: (Approx)(LxWxH) 3.2x1.6x1.2cm/1.26x0.63x0.47inch Bluetooth-compatible version: 5.1 Noise Reduction: CVC 8.0 Waterproof Grade: IPX7 HD signal type: Advanced audio decoding Distance: 20m/65.6ft Charging box input power: 5V-1A Charging box output power: 5V-1A Music time: around 5-6h Talk time: around 4-5h Driver: φ6mm-16Ω Sensitivity: 42db Headphone charging time: around 1 h Charging case power by: 3500mAh rechargeable battery (Built-in) Earphone power by: 2pcs x 40mAh rechargeable batteries (Built-in) Compatible protocols: A2DP/AVRCP/HFP/HSP Charging time of the charging box: about 2-3 hours Package Included: 1 x Wireless Earbuds 2 pairs x Ear tips 1 x USB cable 1 x Manual 1 x Cue card Note:  1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.