General Specifications Bluetooth® version 4.2 Support A2DP V1.3, AVRCP V1.6, HFP V1.6, HSP V1.2 Headset battery type Lithium-ion polymer (3.7V, 85mAh) Bluetooth® transmitter power "Bluetooth® transmitter frequency range 2.402 – 2.480GHz" "Bluetooth® transmitter modulation GFSK, π/4 DQPSK, 8DPSK" Charging case battery 1,500mAH (est) Charging time Compatability Use with phones, tablets, computers Product weight 99g Audio Specifications Frequency response 10Hz – 22kHz Ear bud battery life Up to 4 hours Dimensions Dynamic drivers
