Technical details Standard Multipoint: Yes Weight and dimensions Product weight: 26 g Efficiency Product color: Blue Wearing style: Around the neck Suitable for external use: Yes Recommended age: Adult Application: Sports IP protection class: IP67 Security features: Weather resistant Suitable for indoor use: Yes LEDs: Yes Case material: Titanium Headset type: Stereo Volume control: Button Product type: Headset Packaging data Packaging type: Box Package contents Quick Start Guide: Yes Cables: USB Suitcase: Yes Quantity: 1 Ports and interfaces Bluetooth profiles AVRCP HFP A2DP SBC HSP Bluetooth: Yes Bluetooth version: 5.1 Connection method: Wireless Wireless router range: 33 m Battery Battery capacity: 160 mAh Standby time: 240 h Fast charging time: 10 min Fast charging: Yes Other functions Charging voltage: 5 V Microphone Microphone type: Built-in microphone Microphone sensitivity: -38 dB Safety warning Warnings Check the condition of the batteries regularly to prevent leakage. Keep away from children. Do not use near sources of heat or fire. Headphones Frequency response: 20 - 20000 Hz Headphone sensitivity: 105 dB Headphone construction: Bone сonduction Supplier Features Charging time: 90 min Battery life: 480 min