Don't worry about get tangled up in wires during an intense work out; wear the Monster iSport Freedom v2 On-Ear Wireless Headphones for all day comfort! Optimized for long wear and extreme comfort, these headphones are sweat-proof, water-resistant, and washable. It has a whopping 9+ hours of playback time and features a reflective safety trim on the headband so you stay safe at night. In addition, the iSport Freedom v2 headphones include cutting-edge touch sensing controls for play/pause, tracking and volume. Headphone Features Bluetoothテつョ: Yes Battery life: 9 hours Microphone: Yes Controls: Integrated On-ear / Voice Prompts Dual Device Connectivity: Yes