● Adopt Bluetooth V4.2, stable transmission, low power consumption and strong compatibility ● Ergonomic design gives you a stable and comfortable auditory effect when sporting, or walking ● Sweat-proof technology and advanced performance ● Intelligent voice prompts, know the status of your headphones in time Prompt voice: – Power connection prompt: power on – Shutdown prompt: power off – Pairing status prompt: paring – Connection prompt: your device is connected – Disconnect prompt: your device is disconnected – Low battery prompt: battery low Button function: – Long press for power on / off – Single-click for audio playback / answering and hanging up the call – Double click to re-dial the recent call