• Permeability, not into the ear design light wear painless
• Super long standby Binaural with a large-capacity charging case can be used continuously for up to 30 hours
• Intelligent display of digital remaining power
• Extremely fast connection, stable pairing
• Safety cyclist special outdoor indoor safety hanging earwear
• HD call. Intelligent voice prompts in English and Chinese (default English)
• Caller ID reminder. Universal for all smartphones

Specifications: 

• Product Model: Hi90
• Bluetooth-compatible version: V5.2
• Bluetooth-compatible protocol: A2DP AVRCP HFP
• Communication distance: 10m
• Transmitting frequency: 20HZ-20KHZ
• Continuous call: about 10 hours
• Play music: about 10 hours
• Standby time: about 100 hours
• Charging time: about 2 hours
• Battery capacity: Headset 100mAh, charging case 600mAh
• Charging interface: Type-C 
• Headphone size: 62.19 x 50.91 x 13.97mm (headphones)