ANC Bluetooth Headphones Neckband Magnetic Ralyin Active Noise Cancelling Wireless Headset, Superior Deep Bass HD in Ear Around Neck Earbuds with Mic for PC TV Gym Running Jogging Sport Earphones

ANC Bluetooth Headphones Neckband ,Ralyin Active Noise Cancelling Wireless Headset ,In Ear Around the Neck Earbuds with Mic for Gym Running Jogging Workout ,10 Hours Long Battery Life Features Active Noise Cancelling Headphones Neckband with Around the Neck Desgin,Lightweight feeling. Super-Light Comfortable Headphones with Microphone High-fidelity stereo sound quality with no audio delay function. Ideal for TV / PC / Gaming and cell phones Additional audio line input, for use when battery is low.Ultra-soft over the ear pads with adjustable headband. Specifications Bluetooth chipset:BES2000IS Bluetooth version: 4.2 Speaker :10mm Bluetooth profile: A2DP HSP AVRCP Frequency range:2.402GHz~2.480GHz Radio power?CLASS2?-6 ~ +4dbm ,Operation voltage?3.7-4.2V Charge current??25mA (@1kHz tone& Max volume) Off current :?5uA Operation environment temperature:-10-60? Charge environment temperature?0-45? L or R output power ?1.5mW*2(@ 1kHz) L or R THD+N ??0.5%(@ 1kHz 1mW ) SNR?>75dB L or R Channel Unbalance??1dB L or R Channel Separation??70dB De-noising depth??25dB Input Impedance?325% ? Continue music play time??8H?1/8 Max output power? Operational range: around 10 meters What's in the box Ralyin Active Noise Cancellation Headphones*1 USB Charging Cable*1 User manual*1 3 x Eartips ( Small, Medium, Large )