Remax RB-S17 Bluetooth Neck Wear Sports Casual Headphones

• Remax RB-S17 Bluetooth Neck Wear Sports Casual Headphones

• Bluetooth version: V4.1

• Bluetooth frequency band:20-20Khz

• Bluetooth range: 10m

• Audio transport protocol: HFP1.6, HSP, HD Voice, Voice Prompts A2DP, AVRCP, IOS BATTERY STATE

• Weight: 20.4g

• Play time: 10h

• Standby time: about 250h

• Charging time: 3h

• Sensitivity:110±3dB

• Line Length:30cm

• Frequency Response Range:20-20000Hz

• Resistance:32Ω

• Vocalism Principle:Dynamic

• Driver Diameter: 40mm

• Rated Input Power: 50mW

• Plug: :￠3.5mm

• Cord Length: 1.2meters