Product Description

Driver diameter : 40 mm Frequency Range:20Hz-20kHz Sensitivity : 98 +/-3 dB Impedeance : 32 ohms With Microphone Bluetooth Version: 4.2 Bluetooth Chipset Supplier: Buildwin Power Supply: liion Battery 80 mAh Receiver Distance: about 10 m Charging Time: about 2 hours Playing Time: 4 hours Standby Time:160 hours