DESCRIPTION HAVIT F9 Wireless headphone ●︎ Innovative technology: Adopts V4.1, fully compatible with Bluetooth-enabled devices, high-speed wireless data transmission, high anti-interference capability, up to ●︎ 10m working range. ●︎ Novel appearance, simple design but fashionable, zinc alloy ornament. ●︎ Ergonomic design: The adjustable sturdy and soft headband and Aluminum Scalable design, can suit different head shapes. ●︎ Double 40mm dynamic speaker guarantees high fidelity and Stereo CD sound effect; Perfectly meets different needs of music enjoyment. ●︎ High-precision manufacturing process: Frosted earmuff housing covered with a thin ●︎ Smooth reflective metal ring, is firm more Luxurious. Specification： Bluetooth Version：V4.1 Wireless working range: 10M (without obstacles ) Charging means: micro USB Speaker: Φ40*19*32Ω Speaker sensitivity: 112±3dB at 1KHz;1mW Speaker frequency: 20-20KHz Rated power: 8mW-12mW Input voltage: DC 5V Battery: Rechargeable 3.7V 300mAH Li-polymer battery Playtime: Up to 11H Talk time: Up to 10H Charging time: About 2H Standby time: Up to 200H Voice chat: supported Voice prompt: supported
