Description: Neckband Headphone: Made of Skin-friendly ABS plastic, around the neck wearing with body-contoured fit, very lightweight(only 0.99oz). The flexible and bendable neck-strap make sure your earbuds are 100% comfortably, IPX5 water resistant design, especially for running, cycling, traveling & staying in the office or at home. Our bilateral stereo wireless earphones provide a solid bass with high quality sound. Our wireless headset filter out background noise to guarantee high quality sound and provides you clearer voice for calls or videos. Bluetooth V5.0 and Stereo: High-fidelity transmission stable and fast, bring you the same music feeling like at the scene. The transmission distance can reach around 10 meters under the condition of no obstacles. Provide 300 hours standby time and about 10 hours play time with built-in 100mAh battery after a full charge with charging cable. Specification: Size: width x height 11x15cm/4.33x5.9inches Weight: 28g Volume Control: Yes Resistance: 32Ω Sensitivity: 32dB Speaker sensitivity: 98±3db Model Number: BT-95 Bluetooth Version: 5.0 Frequency Response Range: 20 - 20000Hz Total Harmonic Distortion: 3% Features: with Microphone Charging Method: Cable Charging Driver Diameter: 10mm Battery: 3.7V / 100mAh Package Includes: 1 Piece Wireless Neckband Earphones 1 Piece Charging Cable 1 Piece User Manual