Condition: new Available colors: black, red, gold, silver product description: Name: Double Ear Bone Sensing Bluetooth Headset Bluetooth Version: V4.2 EDR Bluetooth Protocol: A2DP1.3 / HFP1.6 / HSP1.2 AVRCP 1.6 D11.3 Transmission Frequency: 2.4GHz 24022480 GHz) Transmission distance: 10M speaker sensitivity: 95 & plus; 3dB frequency response: 50-10 kHz microphone sensitivity: 50-18kHz working standby time: about 160 hours playback time: about 3-5 hours charging time: about 1.5 hours support Chinese and English switching package includes: 2x Bluetooth Headset 1x USB Charging Cable 2x Leakproof Earbud 1x Instructions 1. Non-earphone design this Bluetooth headset makes full use of ergonomic design. Wireless Bluetooth bone sensor conduction, binaural sensor non-ear plug mounting ear design. Get rid of the swelling caused by earplugs, not in the ears, painless wear and tear, liberate the ears 2. Lightweight and portable this headset is small and easy to wear. The earphones are attached to the ear and fit snugly on the left or right ear. You can wear glasses. The surface is sandblasted and soft, giving you the most comfortabl wearing experience. 3. Multi-point connection support, one Bluetooth can connect two mobile phones at the same time. The binaural headset can be paired with a single pair or dual pair of TWS connections, and you can enjoy HiFi stereo alone with single or dual headphone. 4. New technology and versatility - Bluetooth V4.2 EDR technology CVC6.0 DSP audio processing dual noise reduction technology to improve sound quality and call quality, built-in microphone for talking. HD call, easy to operate voice prompts, power display. It can display real-time features on iOS and some Android systems. 📌📌 Touch base with me when you're available to meet. I'll meet at Safeway 8377 Elk Grove Florin Rd. Sacramento, CA. 95829 (Calvine Rd and Elk Grove Florin)