Corsran Bone Conduction Bluetooth Headsets

* Bluetooth Version: Bluetooth 4.2 * Bluetooth Chipset: Action A2DP v1.3, AVRCP v1.5, HFP v1.6, HSP v1.2 * DSP: CVC6.0 Noise and Echo reduction * Speaker Frequency Response: 20HZ – 20,000HZ * Driver Type: Dynamic * Wireless Range: 10-15m (Free space) * Build-in Microphone: Yes * Microphone Sensitivity: -42 dB * Ear Coupler Type: Bone Conduction * Battery Status Display on IOS Device: yes * Main material: PC/ABS plastic * Product Net Weight: 35g * Dimension (L*W*H):145*90*47mm 1. IPX8 Swimming 2. Healthy, Safety and Swimming Design 3. 8GB Memory Card 4. Support Swimming MP3 Function 5. Support Siri or Google Assistant 6. volume up/volume down, multi-function,Play/Paue key 7. Telegram phone number 8. Two ways play music BT+Loacl Play