1. Bluetooth version: 5.02. Control method: touch button3. Bluetooth distance: 10 meters4. Battery: polymer battery 3.7V 500mAh charging case5. Standby current: 1mA6. Standby time: about 40 hours7. Continuous playback time battery life: about 4 hours8. Automatic pairing at boot, fast connection9. Lightweight and more comfortable, three-point anti-dropping design that fits the ear canal10. Dual-core fast charge, intelligent voltage stabilization, automatic power-off when full11. IPX7 waterproof, sports sweat proof, outdoor rainy activities12. Fingerprint touch, painless control13. Touch three times to open the voice assistant, which is convenient and quick14. Dimensions: 11.5x4x8.7 cm15. Weight: 108 grams

http://olla.gr/tws-24-bluetooth-5.0-wireless-noise-cancelling-waterproof-touch-control-mini-earphone-support-voice-assistant-white/