Tai nghe không dây V4.1 đeo vành tai siêu mỏng

【SUN】Ultra Thin Ear Hook Wireless V4.1 Sports Earphone Bone Conduction Headphones Features: 1. Widely compatible: The wireless earphone is compatible with a variety of music APPs and a variety of smart wireless devices. 2. Wireless performance: support wireless function, convenient and fast, longer transmission distance, more stable signal, lower power consumption of headset. 3. Easy to carry: The small and compact design makes it portable, easy to carry and use. Suitable for your running or fitness. 4. Power display: IOS system mobile phone has a power display, you can watch the power of the headset at any time, don't worry about the headset running out, so you have a worry-free life. 5. Ergonomic design: follow the ergonomic shape concept, make the headset firmly wear, and experience a long-term stable and comfortable wearing experience. Description: Bone conduction wireless headset supports listening to songs and making calls, active noise reduction, A2DP/AVRCP stereo audio transmission and remote control protocol. Specifications: Drive: 15mm Impedance: 32 OHM Wireless function version: V4.1+EDR Wireless frequency band: 2.4GHz Power level: CLASS II Output power: 30mW Wireless distance: 10 meters without barriers Frequency response: 20-20000Hz Working voltage: 3.0V-4.2V Microphone sensitivity: -42dB Size: 25*15*35mm (L*W*H) Talk time: 4-5 hours Music time: 4-5 hours Standby time: 120 hours Charging time: 60 minutes Battery capacity: 90MAH Compatible mobile phones: for Android, for AP Charging power: computer USB port, mobile phone charger, car charger Package Included: 1 * Earphone (built-in lithium battery) 1 * Charging Cable 1 * Manual Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.