Features:
– Ultra-thin body, HD call.
– Youthful fashion color, metallic brushed texture.
– Silicone ear hooks are used with earplugs for a firm and comfortable fit.
– Intelligent shutdown (the headset automatically shuts down 5 minutes after
disconnection)

Specification:
– Product model: RB-T28
– Bluetooth version: Bluetooth 4.2
– Transmission distance: 10M
– Frequency response: 2.402GHZ ~ 2.480GHZ
– Output sensitivity: 6 – +4dBm
– Microphone sensitivity: -42DB
– Battery capacity: 80mah
– Resistance: 32?
– Rated power: 3mw
– Drive unit: 10mm
– Line length: 25mm
– Playtime: 4H
– Standby time: 70h
– Charging time: 1.5h
– Music time: 4 hours
– Talk time: 4 hours
– Charging time: 1.5 hours
– Weight: 7.3G
– Headphone size: 25×29.5x54mm