The Sony DR-BTN200 headphones feature the enhancements that you would want with premium headphones– echo cancellation, noise separation and a 30mm driver unit to make sounds clear, 40 hour rechargeable battery and ability to directly hook to your computer though a USB port.

Smartphones, regular mobile phones etc. can be paired with these wireless headphones to deliver great sound and great mobility.

Specifications

Communication method : Version 3.0 Bluetooth standard 

Output: Bluetooth power class 2 

Maximum communication distance: Outlook about 10m maximum

Frequency band: 2.4GHz band

Modulation scheme: FHSS 

Bluetooth profiles: A2DP, AVRCP, HFP, HSP

Codec support: SBC, AAC

Content protection support: SCMS-T c

Transmission band (A2DP): 20-20,000 Hz (at 44.1kHz sampling)

Power supply: DC 3.7V Rechargeable lithium-ion battery built-in power supply

Weight: Approx. 157g

Standby time: Battery life up to 800 hours

Continuous audio playback time: up to 40 hours

Driver unit: 30mm

Charging time: 4.5 hours