Kids Headband Headphones Soft Fleece Wireless Bluetooth Headband Headset with Built-in Microphone Voice Prompt Hi-Fi Stereo Super Bass Music Sleep Eye Mask for Travel and Sleeping Feature: Premium Quality- The headphone headband adopts Bluetooth V5.0 chip, high-fidelity stereo, super bass effect, clear and steady phone conversation. Long Working Time- Bluetooth headphones headband has ultra-low power consumption, energy saving, 6-hour continuous music playing. Far Transmission Range- The transmission rate of wireless headphones headband is fast and stable, the transmission distance is more than 20 meters if there is no obstructing, and the maximum distance can be 50 meters. Voice Guidance- English voice prompt is available for power on, power off, successful pairing, low battery, maximum volume, etc. kids headphones headband is able to display battery status and activate SIRI intelligent voice assistant for iOS system. Multiple Functional buttons- Previous/next song, volume up/down, play/pause, answing/making phone calls, microphone intercommunication. Specification: Product name: sleep mask Bluetooth Specifications: V5.0+EDR/A2DP/AVRCP/HFP Frequency range: 2.4026GHz-2.480GHz Transmission distance: more than 20 meters Channel: Stereo Speaker parameters: 24 ohms/30mm Speaker power: 10mW x2 Signal-to-noise ratio: 104dB Function: previous song, next song, volume up, volume down, play, pause, answer a call, make a call, activate SIRI, microphone intercom Playtime: 6 hours (tested at 100% volume on iPhone) Talk time: more than 7 hours Standby time: more than 260 hours (actual test) Charging time: about 1.5 hours Packing list: 1 Bluetooth compatible headset 1 scarf 1 x USB charging cable 1 x Description 1 OPP bag Note: The color deviation is subject to the actual system configuration.