beyerdynamic Free Byrd Black B-Stock

B-Stock, beyerdynamic Free Byrd Black true wireless in ear headhpones with ANC and transparency mode, closed back, dynamic, Bluetooth 5.2, (compatible with Bluetooth 4.0 or higher), audio codecs: aptX, aptX Adaptive, AAC & SBC, frequency range 10Hz - 22kHz, integrated mircrophone, battery life headphones: approx. 11 hours., charching time: 3:45 hours., fast garching(10 min. charging = 1 hour battery life), charching connection: USB-C, Bluetooth range: 10m, IP protection class: IPX4, compatible with beyerdynamic MIY App, Alexa Built-In and Google Fast Pair, low latency mode, dimensions charching box: (W x T x H) in mm: 43 x 68 x 30, delivery content: In Ear headphones, charching cable USB-A auf USB-C, 5 pairs Ear Tips silicon sizes XS-XL, 3 pairs Ear Tips made of foam sizes S-L, charching box, weight charching box: 60g, weight headphones: 7g each, color: black, B-Stock with full warranty, may have slight traces of use