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Latest Bluetooth V5.0 Technoloy Control and Connection Specifications: Bluetooth version: 5.0 Bluetooth profiles: a2dp vctp vdtp vrcphfpsppsmp ttgapgatt fcommsdp capB Bluetooth transmitter power: ＜5 dbmB Bluetooth frequency: 2.402-2.480GHzB Bluetooth transmitted modulation: GFSK, π/4DQPSK，8DPSKB Built-in Microphone: yesH Hands Free Call: yesA Ambient Noise Reduction: Yes Wired and Wireless Features Audio Specifications: Driver size (mm): 40 Number of drivers per ear: 1 Driver sensitivity at 1kH/1mW(dB): 85dB(wireless mode)/105±3dB(wired mode) Impedance (ohms): 32Ω Ear cushion material: UA breathe material Headphone cable length (cm): 120 Headphone cable length (ft): 4 Siri/ Google Assistant/Amazon Echo Dot Support: yes Specification: Bluetooth Version:5.0 Rf range:20m Battery charging time:2-3h Battery working time with LED flash mode:5-7h Battery working time with LED off mode:8-10h Battary volume:400mAH Charging voltage:5V/1A Frequency response:20-20kHz Drive diameter:40mm Input connector:3.5mm Impendance:32Ω Product weight:200g Package included: 1*Wireless Bluetooth headphone 1*Charging cable 1*3.5mm AUX-in Audio cable 1*user manual
