True Wireless Earbuds TWS Bluetooth 5.0 9D Stereo HiFi Sound Intelligent Noise Reduction Headphones IPX5 Waterproof Headset Product description: Bluetooth headphones are mainly made of safe and durable plastic for a long service life. Wireless earbuds are waterproof, have automatic pairing and control. Bluetooth earphones have flexible and non-slip hooks that are comfortable and stable to wear. The sports headphones have smart chip for high definition calls and DSP enhanced sound effect for you to enjoy HiFi level sound quality experience. The waterproof earbuds have a smart LED cold light digital display to see the charging compartment and dual earbuds power at a glance. Product Specifications: Chip: Bluetooth version: 5.0 Working voltage: 3.2V ~ 3.4V Headphone Speaker: 8mm Earphone battery capacity: 50mah Storage box battery capacity: 450mah Transmission distance: > 10m Talk time: 4-5 hours play time: 4-5 hours Charging time: 1.5 hours Support system: all Bluetooth devices and mobile phones Product content: Charging box * 1, headset: LR, data cable * 1